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This series contains records relating to the transportation of mails by road (mail coaches in particular) but also includes material on the early use of railways. Some reference to steam packets is also contained in this series.

This series comprises publications, reports, minutes and correspondence on the establishment, operation and development of the Public Relations Department (PRD) and its predecessors and successors. It also contains records on the communication and marketing activity of the Post Office, as well as advertising, training, and educational material produced by the PRD and other Post Office departments.

POST 114 comprises Acts of Parliament relating to Post Office business covering the years 1657-1986. Parliamentary warrants, treasury warrants, details of parliamentary debates, memoranda and related reports can also be found within this class. The class is thematically separated into 24 Sub-Series' (which in turn are organised chronologically) covering a wide range of legislature, from major Post Office Acts that established such historic privileges as the state monopoly of postal communications, to numerous acts of a less celebrated nature, such as Road Repair Acts or Electric Lighting Acts. A number of important Acts can be found in Sub-Series 1 'The Establishment of the Post Office and Postage Rates', including the Post Office Acts of 1657 and 1969. Reports, policy reviews, various bills and other papers of a similar nature are gathered in Sub-Series 2 'Growth and Expansion of the Modern Post Office'. These records cover the years 1951-1986. All of the major branches of business that have been under the control of the Post Office during the nineteenth and twentieth centuries are represented in this class, including: telegraphs and telephones (Sub-Series 7); savings banks (Sub-Series 12); pensions (Sub-Series 15); and National Insurance (Sub-Series 16), amongst much else.

Includes Board minutes and reports concerned with industrial relations with the Union of Postal Workers in general and the national postal workers' strike of January to March 1971 in particular.

Other papers include an account of a fact-finding visit to the United States of America undertaken with colleagues in March 1971, transcripts of interviews, some photographs and copies of speeches.

This series comprises material relating to Post Office services supplementary to the core activity of the business. It consists of reports, minutes, correspondence and memoranda relating to the introduction, operation and development of individual Post Office ancillary services, their profit and expenditure, recommended improvements and alterations, and information sheets and guides to the services.

Contains some pieces originally in POST 22.

This series comprises 'minuted' papers relating to Post Office services in Scotland, although a proportion developed into cases of general interest. 'Minuted' papers were those papers which had been submitted to the Postmaster General for a decision, and then been retained in the Post Office registry. At first, the papers 'minuted' tended only to be the particular case submitted to the Postmaster General but, as time went on, registry staff followed a practice of continuing to add physically to an existing minuted case all other cases on that subject which came to hand. As a result, the minuted papers frequently consist of quite large bundles of files on a common subject spanning many years. The date range of the files is consequently often much earlier or much later than the date suggested by the 'Former Reference' used by the registry staff and, in many cases, the precise dates covered by the files have not yet been listed.

The subject of individual files among the minuted papers can be wide-ranging, from the mundane administrative minutiae to policy decisions on developments of critical importance.

This POST class consists of volumes containing a précis of, or reference to, every minute submitted to the Postmaster General from the Secretary relating to all aspects of Post Office administration. There are also separate bound indices to the minutes arranged by different subjects. POST 35/1-6 consists of volumes of minutes from the Postmaster General to the Secretary relating to all aspects of Post Office administration.

Much of the actual paperwork referred to in these volumes can be found in the accompanying class POST 30 (England and Wales Minute Papers). For further details of how this class relates to the other report and minute classes, see the following section 'Related Material'.

The class is divided into four Sub-Series. The date range for almost all of the records in the class is 1792-1921. However, there are three volumes in Sub-Series 3 'Indices to minutes between the Secretary and the Postmaster General' that contain records that cover the period up to 1969 (see POST 35/1699-1701).

The material is arranged in date order within series. All pieces consist of one volume unless otherwise stated.

This series consists of volumes containing a précis of, or reference to, every minute submitted to the Postmaster General from the Secretary to the Post Office in Scotland, relating to all aspects of Post Office administration. Separate bound indices to the minutes begin in 1846.

Much of the actual paperwork referred to in these volumes can be found in the accompanying class POST 32 (Scottish Minute Papers). For further details of how this class relates to the other report and minute classes, see the following section 'Related Material'.

The dates and minute numbers on the binding of a number of the volumes are incorrect.

Please note that all of the records in this class cover the years 1842-1921, with the exception of one record, POST 37/187, which is an index to minutes for the years 1920-1937.

The Packet Report series (POST 39 and POST 41) comprise reports to the Postmaster General, from the Secretary to the Post Office, on the Packet Boat service and overseas mail arrangements.

POST 41 consists of indexed volumes containing a copy of every report submitted to the Postmaster General (including those which have since been destroyed) and is the only guide to the contents of POST 39 (Packet Service Report Papers). The Postmaster General's decision on each case is also recorded. POST 39 consists of those actual reports which are still in existence, with any enclosures.

In 1811 a parallel series entitled Packet Minutes (POST 29 and POST 34) was created. Cases for the attention of the Postmaster General were sometimes recorded in both series, but at other times in only one of the two series. Upon the cessation of the Report series POST 29 and POST 34 continued alone.

For further details of how this class relates to the other report and minute classes, see the following section 'Related Material'.

This series relates to the establishment and operation of colonial post offices in British North America [Canada], Australia and New Zealand. The records include instructions from the Postmaster General via the Secretary (POST 44/1-12), returns to surveys relating to the volume of mail processed and the costs of running the offices, details of the staff employed at these offices and their duties (POST 44/24-33).

This series consists primarily of 'proof books', that is bound volumes and files containing specimen impressions of new date, machine cancellation or other handstruck stamps (both steel and rubber) for postal use, authorisations and instructions for use, handstamp destruction records and historical summaries of machine cancellations.

These two main collections of proof books have substantial gaps, notably, for steel stamps, for the period after 1821, and, for rubber stamps, after 1831. It is believed that the proof books for these periods were lost in the major fire which occurred in 1957 at the Supplies Department, Mount Pleasant, where these records were once housed. Regrettably, when the surviving volumes in these two collections were rebound in c1960, the original volume numbers were lost, and new artificial numbering sequences were given to the newly-bound volumes. This destroyed the evidence once offered by the original bindings, making it impossible now to determine exactly what has been lost from the original series.

Within this class are volumes and files that contain basic information about established Post Office staff and about the principal Post Office branches in England, Wales, Scotland and Ireland. This class also contains details of Post Office establishments abroad, packet boat services, deceased officers, vacancies and committee reports regarding the Post Office Establishment, amongst much else. There are 24 volumes (POST 59/1-24) covering the period 1691-1798, but the majority of the material consists of lists of salaried officers at various British Establishments for the nineteenth and twentieth centuries.

The class is divided into eight Sub-series, a few of which should be mentioned at the outset. Sub-series 1 is the largest of these and contains the main Establishment books and lists of officers from 1691-1983, published annually from the late eighteenth century (bound copies for this series for the period 1869-1980 can be found in the BPMA search room). Sub-series 3 contains the Establishment books for provincial postal regions across Britain and so is naturally considerable in size, although the period covered for these books tends to be late nineteenth and early twentieth century only. By contrast, Sub-series 4 and 5 contain major and minor Establishment books for the London Postal Region, spanning nearly a 200-year period from 1800. The only series that does not contain lists of basic information (which is the essence of most of the Establishment books) is Sub-series 6, which contains 20 papers and committee reports for the period 1793-1923 that describe changes that have occurred and have been proposed to the Establishment system; a useful starting point for understanding the organisational development of the Establishment structure.

The sort of information included has changed over this 300-year period, but a large proportion of the information found in any particular Establishment book is likely to include an employee's name, their department or location, date of appointment, and yearly salary (or weekly wage). Similarly, the type of employee that has been included in the yearly establishment books has changed over time (and some consideration of the difference between 'established' and 'unestablished' staff will follow), but as a rule of thumb, in the main Establishment books that were published annually (which can be found in Sub-Series 1), it is staff who have been occupied in more senior positions within the Post Office hierarchy who are likely to be found. As a consequence, most of the yearly establishment books within this class will only ever list by name a modest proportion of the entire Post Office workforce for any given year. (It may be helpful for prospective researchers to note that the best starting point in searching for records relating to 'rank and file' employees are the appointments indexes and pensions indexes. A guide to these sources can be downloaded from the BPMA website and a printed version can be found in the BPMA search room, entitled 'Guide to Family History Research'.) POST 59/ 26, 28, 32, 33, 34, 37, 39, 40, 42 and 91 include brief summaries of duties performed by officers. POST 59/ 7, 11, 18 and 20 give complements of Packet Boats.

This POST Class comprises material mainly relating to the design, manufacture and distribution of uniform, but also includes some material relating to discipline within the Post Office.

It includes reports on the manufacture and distribution of uniform, papers relating to the Committee of the Joint Working Party on Uniform and Protective Clothing, registers detailing patterns produced, contract statistics and schedules of entitlement, volumes containing decisions made by the Postmaster General which set precedents for the issue of uniform, correspondence relating to all aspects of uniform including the running of the Stores Department and photographic records of uniform garments with pattern numbers, guides to disciplinary procedures, papers relating to disciplinary cases and correspondence and memoranda relating to other aspects of discipline within the Post Office.

This series relates to arrangements for the payment of pensions, the establishment of the Superannuation Fund in 1821 and the development of the types of pensions payable to include both contributory and non-contributory pensions.

POST 66/18-19 relates to the establishment of the allowance form system and POST 66/22 concerns discussions on the format of order books. POST 66/20 and 22 relate specifically to pensions paid in Guernsey and Jersey . POST 66/24 comprises brief histories of paid allowance and pension orders and postmasters accounts for the twentieth century. The class also includes information on changes to women's employment and salaries, pension fraud and copies of documents conveying a grace and favour pension paid to the Duke of Schonburg and Leinster (POST 66/1).

This Post Class comprises reports, minutes, papers, leaflets and newsletters produced by Post Office Advisory Councils. These were external bodies set up to liaise with users of the Post Office, to monitor and review the performance and activities of the business and advise the Post Office on matters of mutual concern to the customer and the business.

This POST class mainly comprises correspondence, committee and other reports, statistics, staff manuals, and training information for new staff, relating to the organisation, development and operation of the Post Office Supplies Department.

It also includes a collection of material on posting boxes, including information relating to the design, development, positioning, installation, painting and repainting, locks and keys, and indicator and notice plates for pillar boxes.

This series consists of annual reports of the Contracts Department, reports, correspondence and papers relating to the organisation, staffing, functions, policy and review of procedure of the Contracts Department and of contracting functions.

This class comprises Post Office headquarters files which, as a time saving wartime measure, were recorded under a Decimal Filing system, instead of the previously used 'Minuted' system. Like the minuted series, the files cover a diverse range of subjects and registry staff continued to add files to the series after it had nominally been closed in 1949: consequently, records date up to 1967. Subjects covered in the papers include inland and overseas telecommunications during and after wartime, the issue of stamps, and Post Office administrative records, such as those covering the introduction of the Decimal Filing system.

The Decimal Filing system was a simple system based on numbers being allocated to particular subjects or headings, with decimal extensions of these numbers being allocated to subheadings: e.g. 10 = Postal Packets, 100 = Letters (Ordinary). No record volumes were created for the Decimal Filing series; papers were filed in batches according to the common serial number allocated for a particular subject.

The earliest material in this series consists of artwork commissioned by the Public Relations Department and its predecessors to be printed and distributed as posters and greetings telegram forms.

It includes designs for posters that were subsequently published under the publication references IRP and PRD and a number of adopted greetings telegram designs, it also contains many designs for both posters and greetings telegrams that were rejected.

The Public Relations Department approached many artists to produce designs for posters and greetings telegram forms and the series includes work from noted artists such as: Tom Eckersley, Frank Newbould, Edward McKnight Kauffer, John Nash, Jan Lewitt and George Him, Pat Keely, Barnett Freedman, Claudia Freedman, Rex Whistler, Margaret Calkin James, Edward Bawden and John Farleigh.

Later material includes artwork produced for a variety of purposes, such as publicity leaflets, press advertisements and designs for logos, vehicle livery, postal equipment and letter boxes.

Material consists of paintings and pencil and ink drawings, it also incorporates various techniques such as lithography and computer aided design. The series also contains a number of photographs and transparencies as well as annotated printed proofs for designs.

There are also a number of items relating to logo and logotype design and branding of the Post Office and its services, including artwork for the redesign of the GPO logo by MacDonald Gill in 1934.

Also included are a number of original illustrations produced by artist, Ben Maile in 1990 for inclusion in a Post Office commissioned book: 'First Post: From Penny Black to Present Day'.

This series relates to conveyance of mails within the United Kingdom and Ireland by sea. The majority of records are on the Irish and Scottish packet services, with a few contracts for mail services to the Scilly Isles, Lundy Island and the Isle of Man, and the Channel Islands, placed at the end of the series.

This series comprises copy letter books relating to administration of the Post Office in Britain and Ireland and, to an extent, overseas.

This series relates to the conveyance of mails by Underground pneumatic tube in London. It comprises reports and papers produced and used by the committee appointed in 1909 by the Postmaster General to consider the introduction of the underground transmission of mails within London and plans of the proposed route for the railway, showing rail levels and junctions. It also contains a copy of the Post Office (London) Railway act and the patent granted to Hosiah Latimer Clark for the invention of apparatus for conveying post by pneumatic tube, (POST 20/30). Papers relating to the construction, maintenance and expansion of the Post Office (London) Railway are also present including specifications, invitations to tender, conditions of contract, estimate of costs and technical plans relating to the construction of new stations, car depots, subways, additions and alterations to stations, including the fitting and maintenance of electrical equipment. This is also demonstrated through numerous plans held within the collection. As well as the Manager's annual reports, there are also numerous files of miscellaneous correspondence, memoranda and reports from the Post Office to various departments and organisations regarding the Post Office (London) Railway, historical accounts. There are also two photograph albums of railway equipment and work being carried out on it.

Some of the plans show properties purchased by the Post Office following the passage of the Post Office (London) Railway Act in 1913. There is a series of signed plans dated 26 October 1914 showing the depth and route of the Post Office (London) railway below ground with details of tunnels, shield chambers, and shafts. There is also a series of plans marking individual and corporate properties along the proposed route of the Post Office Railway.

This is an 'artificial' series, as maps have been removed from other POST classes and added to POST 21 in order to group them together by format; in addition, maps from numerous different depositors, both internal and external have been mixed together so that it is difficult to find any strands of original order. It has been possible to impose a loose order on the maps by grouping them together by subject as follows:

circulation maps, county maps, town maps, district maps, postcode maps and overseas mail maps.

The majority of the series consists of maps that were commissioned by the Post Office or maps that have been adapted for use in the daily routine of various post office departments.

It includes Ordnance Survey maps which have been annotated to indicate changes to postal boundaries as well as printed town maps, post office directory maps, road maps and hand drawn sketch maps. The maps have been produced using a variety of different methods including lithography, engraving and printing; many of the maps have ornamental cartouches and many are coloured.

Several of the maps in the collection are black and white copies of originals which have not been retained. Unfortunately it is not possible to discern the significance of lines which were colour coded on the original map.

Many of the maps centre on London and there is a sub-series of maps relating to the different postal districts in London, including maps depicting the official postal districts after they were put in place during the period 1857-1858 (see particularly POST 21/772: a reproduction of a map of the London postal districts produced by Richard Weller in 1858, which gives information on the division process). There is also a set of maps from 1948 showing the routes taken by postmen on their daily rounds in the west end of London, which include buildings damaged by bombs during World War Two.

Other maps include postcode maps for areas in Sheffield, Lincoln, Manchester and London; several nineteenth century District Surveyors' maps, some of which show 'armed and unarmed rides' in the various districts and include letters to Francis Freeling and several maps from 'Atlas Universel' (1757) produced by the Vaugondy family [Father and son], depicting various European postal routes and including ornamental cartouches engraved by the Haussard sisters.

This series relates to the transmission of newspapers by post and comprises records relating to the franking privilege of the Clerks of the Road, the transmission of newspapers overseas, and the postage rates of Newspaper Post. The majority of the class consists of published lists of newspapers registered at the Post Office for transmission under the Newspaper Post, (POST 24/21 - 24/72). Also included are items relating to the introduction of a rural newspaper delivery service in the 1970s.

This series contains historical accounts, annual, financial and other reports, letter copy books, minutes and correspondence on the establishment, operation and development of the money order and postal order services. The series also contains records on the prevention and detection of fraud, the use of postal orders as currency in wartime, and information on agreements with other Empire or Commonwealth countries for the sale of British postal or money orders in their territories.

This series comprises 'minuted' papers relating to Post Office services in England and Wales for the period 1792 to 1952 (although the vast majority of these records cover the period 1840-1921). It also includes references to Irish and Scottish services until 1840. 'Minuted' papers were those papers which had been submitted to the Postmaster General for a decision, and then been retained in the Post Office registry. At first, the papers 'minuted' tended only to be the particular case submitted to the Postmaster General but, as time went on, registry staff followed a practice of continuing to add physically to an existing minuted case all other cases on that subject which came to hand. As a result, the minuted papers frequently consist of quite large bundles of files on a common subject spanning many years. The date range of the files is consequently often much earlier or much later than the date suggested by the 'Former Reference' used by the registry staff and, in many cases, the precise dates covered by the files have not yet been listed. The subject of individual files among the minuted papers can be wide-ranging, from the mundane administrative minutiae to policy decisions on developments of critical importance.

The packet report series (POST 39 and 41) comprises reports to the Postmaster General from the Secretary to the Post Office, on the packet boat service and overseas mail arrangements. These are the surviving reports from those listed in POST 41.

POST 39 therefore consists of the actual Reports which are still in existence, with any enclosures. POST 41 consists of indexed volumes containing a copy of every Report submitted to the Postmaster General (including those which have since been destroyed) and is the only guide to the contents of POST 39. The Postmaster General's decision on each case is recorded. Examples of incidents recorded in the reports include the capture of packet ships, possibly due to pirates, smuggling of dry goods, loss of crew, terms and conditions of ship hire, victualling of crew and route changes and times.

In 1811 a parallel series entitled Packet Minutes (POST 29 and POST 34) was created. Cases for the attention of the Postmaster General were sometimes recorded in both series, but at other times in only one of the two series. Upon the cessation of the Report series POST 29 and POST 34 continued alone.

For further details of how this class relates to the other report and minute classes, see the following section 'Related Material'.

Records relating to the operation of British Postal Agencies.

This record series comprises memoranda, letters and reports on the establishment and operation of the Foreign and Colonial Parcel Post, and agreements between the Post Office of the United Kingdom, and foreign postal authorities and shipping companies. It also includes papers relating to 1970s and 1980s overseas parcel services.

This POST class comprises contracts of agreement between, the Postmaster General and individual persons and shipping companies, for the conveyance of mail overseas by packet boat. The contracts lay down the standards required by the Postmaster General, for example the equipment and maintenance of the vessels, routes, ports of call and penalties incurred by non-compliance with the terms of agreement. The class also includes correspondence concerning applications for tender, papers relating to profits made by particular companies, returns showing particulars of existing contracts, and contracts for the establishment of a packet service between the UK and other countries.

This Post class comprises material concerned with postage rates in the form of reports, correspondence relating to alterations of postage rates and franking privileges, postage rate tables based on individual post towns both inland and overseas, and House of Commons journal extracts covering franking privileges.

This series consists of a series of quarterly accounts of salaries and allowances due and payable by incidents to the officers, clerks and tradesmen employed by the General, Twopenny and London District Post Offices (the Twopenny Post was replaced by the London District Post in 1844). Items 6/4-6, covering 1794-1799, also include separate quarterly accounts of tradesmen's bills and incidental warrants paid out of the revenue of the Bye and Cross Road Letter Office. Accounts cover a wide variety of items and are arranged under general subject headings, such as 'pensions', 'packets', 'tradesmen' and 'rents'. Entries include what the bill is for, name of person owed and the amount. The date of the Treasury warrant authorising payment is often included at the end of each quarterly account. Volumes are not indexed. The accounts include bills for:

• Pensions, salaries and allowances to chief and senior officers, clerks, sorters, messengers and servants working in London headquarters departments, including offices of the Secretary and Accountant General, and the Foreign, Inland, Express, Mail Coach, Dead Letter, Ship Letter and Bye Letter offices; packet agents; surveyors; postmasters inspectors of mails, letter receivers and carriers and packet ships; commanders and mates of packet ships, or their widows; letter receivers and carriers in London; and mail guards

• Expenses for mail conveyance by sea, including costs incurred by packet ships operating from Falmouth, Harwich, Dover, Whitehaven, Donaghadee, Weymouth, Milford Haven and Holyhead, and in the West and East Indies, notably hire charges, lighting dues, arms and ammunition stores, wages and victualling for captains, officers and crew whilst at sea, out of employ or while the ship is undergoing repairs; and ship letter mails

• Expenses for inland mail conveyance, notably for payments to mail coach contractors; road, bridge and ferry tolls; supply and upkeep of fire arms, time pieces, mail bags and mail guards uniforms; mail coach maintenance; and railway and steam packet company charges

• Compensation for abolished positions or duties

• Items supplied or work done by tradesmen

• Legal expenses notably relating to investigation, detection, capture, and trail of felons

• Rents, taxes and rates for offices in London

• Stationery printing costs

• Transit postage and tonnage dues to foreign post offices

• Travelling expenses, particularly surveyors'

Item 6/11, covering 1805-1809, is different to the rest of the series. It contains certified accounts of the quarterly salaries and allowances paid by incidents upon which the Civil List deduction, or tax, of six pence in the pound is chargeable. Each account lists the 'salaries' and 'incidents' of individual officers and clerks at the General Post Office headquarters in London, including the Postmaster General, Secretary and other senior officers, and the total duty payable each quarter.

These accounts probably originate from the office of the Receiver General, who was in charge of all moneys received and paid out of the revenue of the Post Office.

This series contains records on all aspects of The Post Office's welfare policy and its implementation. It mainly consists of reports and reviews, minutes and annual reports, correspondence, policies, leaflets and guides, and newsletters. These relate to matters such as Health and Safety in the workplace, refreshment facilities, general health and well being of employees, work related issues such as equal opportunites and harassment, Post Office benevolent societies, staff awards and recreational clubs.

This POST class comprises papers and copy minutes of the Post Office Board (1934-[1992]), the Post Office Management Board (1970-1979), and the Posts and Girobank Board (1980-1981). The signed minutes of the main Post Office Board are included, 1969-1972.

This POST class also includes papers of subsidiary boards and committees established by the board, or whose papers and minutes were received by the Board. These include the Girobank Board, Parcels Business Board, Post Office Finance Limited Board, the Post Office Board Emergency Committee, the National Joint Policy Council, the Managing Director's Committee: Posts, the Chairman's Executive Committee, the Post Office Executive Committee, the Girobank and Counters Committee, the Audit Committee, the Counters Executive Committee, the Major Projects Expenditure Committee, the Royal Mail Executive Committee, the Letters Management Committee, the Corporate Identitity and design Committee, the Counter Automation Management Committee and ad hoc committees established by the board.

This series comprises reports and papers on the establishment and operation of, and facilities and services provided by The Post Office Savings Bank. This series comprises those records that did not form part of the National Savings Department holdings in 1969.

This series consists of records of the Public Accounts Audit Commissioners' checks on GPO annual accounts and the Accountant General's checks on accounts received from agents and postmasters in the first half of the 19th century. Also included are various reports and other papers relating to financial systems, methods of accounting and collecting, collating and presenting business statistics in the Post Office.

This series comprises material relating to the introduction and operation of agency services provided by The Post Office. It covers: the payment of Old Age Pensions at post offices; the sale of Health Insurance and Unemployment Insurance stamps; the floatation of the 'War Loan', in 1915, to help finance the war; and the payment of money due to public corporations through The Post Office.

This series consists of records relating to the supervision of the General Post Office's financial business, including correspondence relating to authorisation of expenditure, development of services and applications for pensions.

POST 1 is commonly used by researchers investigating their family history. This is because a large proportion of this class consists of documentation relating to pensions and gratuities awarded to individual Post Office employees for the years 1686-1959. Amongst the numerous bound volumes of treasury letters are the pension details of thousands of employees. Additional information is often included such as the officer's name, rank and office, date of birth, career history, last salary, cause of retirement or date of death and a statement of reference. Case statements, reports and correspondence are sometimes included where retirement was on grounds of ill-health or the cause of death under investigation. The names of these individuals can be traced through the pension and gratuity indexes, which can in turn be found in separate POST classes, usually made available on microfilm.

Researchers pursuing their own family history are advised to consult the 'Guide to Family History' which can be found in the Search Room and is available to download online. This guide provides step by step advice on how to trace pension records, as well as appointment records.

The majority of these pension records can be found in Sub-Series 1 'Treasury letters, general correspondence' and Sub-Series 6 'Pensions and gratuities applications and awards' (pp. 1-259 and 271-349 of the POST 1 printed catalogue respectively).

Sub-Series 1 'Treasury letters, general correspondence' accounts for the majority of the material held in POST 1. In addition to pension records, this series comprises a record of communications between the Treasury and Postmaster General concerning the financial management of the inland, foreign and colonial services. This includes Treasury authorisation for expenditure on salaries and allowances; new establishments, buildings, facilities and equipment; extension of postal routes, services and postage rates. Developments in transport and technology, rapid expansion of the GPO and increasing complexity of the Civil Service are reflected in the letter books from the early nineteenth century. Volumes contain correspondence concerning road surveys; conveyance of mails by steam packets and railways; contracts for building work and ship conveyance; extension of telegraphic and telephonic communications; Post Office Savings Bank; Civil Service grades and pay scales.

Many of the letters in Sub-Series 2-5 are helpfully grouped and indexed by subject, such as Sub-Series 4 containing copies of letters authorising expenditure on postal telegraphic and telephone services. However, many of these letters are in fact duplicates of the records found in Sub-Series 1.

This Post Class contains statistics relating to Post Office business, including returns of delivered, posted and registered mails, 1839-1913; comparative summaries of annual returns of work and staff hours from Head Post Offices in the United Kingdom, covering 1923-1966; returns of work and staff on Travelling Post Offices and Sorting Carriages, 1951-1974; and postal business key performance statistics, 1973-1985. Also includes statistics relating to Quality of Service (1985-1989 and 1992).

This series relates to the operation of counters business and services. The majority of the records relate to the policy on the establishment, closure and up-grading of sub-offices and the review of the scale payment sub-office system.

This class comprises reports, papers and correspondence relating to the establishment, development and operation of Britain's Inland Letter Post service, spanning the period from 1635 to 1989. At present, POST 23 is divided into 14 Sub-Series, containing some pieces originally in POST 22. There is a small amount of material that relates to seventeenth and eighteenth century developments (see Sub-Series 1 'Establishment and Introduction of the Inland Letter Post' and Sub-Series 5 'Introduction of the Penny Postage'). However, the majority of the records held in this class relate to developments that occurred in the nineteenth and twentieth centuries, which was the period in which a great expansion and modernisation of the inland letter service occurred within Britain. For the nineteenth century, there is interesting general information in Sub-Series 2 'Inland Letter Post, General' and, in Sub-Series 3 'Missing Letter Branch Case Papers', there are over 50 files of records created by the Missing Letter Branch, who investigated mail thefts between 1839-1859. The largest group of records within this class for the twentieth century is Sub-Series 8 'Two-Tier Inland Letter Service, Correspondence and Reports' which relates to the substantial changes that occurred from the 1960s that accompanied the introduction of a first class and second class postal service, amongst other changes that further modernised the system. Other than Sub-Series 14 'Seditious, obscene and libellous publications sent through the post' which comprises records for the years 1876-1927, the latter half of this class (Sub-Series 9-13) is filled with reports, business plans and material related to other significant developments that have occurred within Britain's letter post service from the late 1960s to the late 1980s.

Reports, correspondence and memoranda relating to the introduction, implementation, policy and operation of the inland parcel post service. Some pieces relate to the introduction of both the inland and overseas parcel post.

This series relates to the introduction and implementation of the registration service, the compulsory registration scheme and compensation for the loss and damage to registered mail.

It also includes items relating to the Recorded Delivery Service and other Special Delivery Services designed for sending valuable items or items required to arrive on a specific date and at a specific time via the postal system.

This series comprises 'minuted' papers relating to Ireland for the period 1841 to 1960. 'Minuted' papers were those papers which had been submitted to the Postmaster General for a decision, and then been retained in the Post Office registry. At first, the papers 'minuted' tended only to be the particular case submitted to the Postmaster General but, as time went on, registry staff followed a practice of continuing to add physically to an existing minuted case all other cases on that subject which came to hand. As a result, the minuted papers frequently consist of quite large bundles of files on a common subject spanning many years. The date range of the files is consequently often much earlier or much later than the date suggested by the 'Former Reference' used by the registry staff and, in many cases, the precise dates covered by the files have not yet been listed. The subject of individual files among the minuted papers can be wide-ranging, from the mundane administrative minutiae to policy decisions on developments of critical importance.

This series comprises accounts of British packet services and overseas posts, including records of agents and postmasters, packet stations, and packet boats. The accounts cover income, expenditure, salaries, allowances and disbursements.

This record series comprises copies (mainly published and submitted to the House of Commons) of conventions and articles of agreement made between the Government and/or The Post Office of the United Kingdom and overseas governments and/or postal administrations, for the exchange of mails and the regulation of these services. The conventions lay down the offices of exchange, despatch and delivery times, weight and dimension limits and postage rates.

POST 46/57 relates to the formation of the Universal Postal Union in 1875.

POST 46/62 relates to the establishment of an Imperial Penny Postage, introduced in 1898 and POST 46/63-65 concerns the payments of the Peninsular and Oriental Steam Navigation Company for the conveyance of mail.

On 1 April 1914, under authority of an Order in Council, responsibility for both the manufacture and distribution of postage stamps and related items passed from the Board of Inland Revenue to the Post Office. The work transferred included control of the contracts for the manufacture of watermarked paper, adhesive postage stamps, stamped stationery and postal orders. The records listed here are those created by the Post Office's Stores Depot, more recently known as the Royal Mail Stamp Depot. It was the latter which, in 1989, discovered this collection lying forgotten in its store, and transferred it in its entirety to the Post Office Archives. In 1995 material was sent to the Archive from Hemel Hempstead, and as other items have come to hand, they too have been transferred and added to this list. Please refer to the individual sub-series for the dates that they cover.

This series comprises minutes, reports, correspondence and statistics relating to postage stamps. It relates to the design, selection of designs and production of postage stamps and stamp books, matters concerning responsibility for production costs, the use of stamps as remittance, the introduction of King George V postage stamps, and questions regarding postage stamps put to the Postmaster General through Parliament.

This Post class comprises material on how the Post Office operated during wartime and civil emergencies. The greater part of the collection relates to the vital task of maintaining communications, including handling prisoners-of-war mail, censorship and civil defence arrangements during the First World War (1914-1918) and the Second World War (1939-1945). Among the early papers are documents relating to the South African War of 1899-1902 and some nineteenth century notices and field manuals of the Post Office Rifles Association.

Some records have been transferred from POST 14.

This series relates to the provision of medical care for staff through the appointment of medical officers, the monitoring of sick leave and the establishment of the Post Office Ambulance Corps.