Records of Associated Metropolitan Water Companies, comprising minutes and accounts of the Metropolitan Water Companies Meetings of Chairmen; minutes of sub committees including the Intercommunication Committee of Engineers of the Metropolitan Water Companies and the Committee for the Management of Works of Intercommunication; and correspondence.

Corporate records of the Chelsea Waterworks Company, including Court of Directors minute books; General Board minute books; Committee of Accounts and Works minute books; Finance and Audit Committee minute books; Parliamentary Committee minutes; Secretary's report books; agenda books; correspondence; letter books; legal papers; register of stock and share holders; stock and share ledgers and other records; dividend books; registers of wills; bond records; contracts and specifications.

Financial records of Chelsea Waterworks Company, including annual account books; annual reports; accounts ledgers; journals; cash books; bills books; revenue ledgers; meter accounts; and order books.

General records of the Chelsea Waterworks Company, including correspondence relating to water charges; printed circulars and forms; newspaper cuttings; and reference material.

Property records of the Chelsea Waterworks Company, comprising land purchase registers and rent books.

Purchase records of the Chelsea Waterworks Company, including works day books; day books; Pipe Yard day book; stock books; and records relating to the delivery and consumption of coal.

Staff records of the Chelsea Waterworks Company, including register of employment; wages accounts and wages books.

Records of the Chelsea Waterworks Company, including papers relating to steam engines and other machinery; service records of workmen; sick pay regulations; deeds and other legal documents relating to company property; financial accounts; legal case records; Parliamentary papers; licences and historical notes.

Water supply and distribution records of the Chelsea Waterworks Company, including engineer's reports; meter inspection reports; storekeeper's reports; water supply aggreements and applications; supply records; meter registers; district water services records; collector's rate books; special supplies records; parish assessments and rates; statistical records; stopcock registers; pipelaying and works records; cartage books; meterological data and water analysis records.

Financial records of the East London Waterworks Company, including general ledgers; journals and cash books; Collectors' accounts volumes; analyses of expenditure volumes; minor financial volumes and rating files.

Corporate records of the East London Waterworks Company, including Court of Director's minute books; legal papers; Committee papers; title deeds; correspondence and letter books; papers relating to stocks, shares and debentures; Parliamentary papers; papers relating to royal commissions on water supply; Secretary's files; press cuttings; and plans.

Property records of the East London Waterworks Company, including rental ledgers; particulars of land purchases; notices and plans of intended purchase and schedule of deeds.

Staff records of the East London Waterworks Company, including Officers' guarantees; papers relating to salaries annual holidays and sickness; and staff lists.

Papers of the East London Waterworks Company relating to water supply and distribution, including Engineers' reports; Engineers' correspondence; volumes of accepted tenders; water supply agreements; Collectors' and Inspectors' letter books; indexes to the locations of meters; rating volumes; accounts; plans and diagrams.

Financial records of the Grand Junction Waterworks Company, including half-yearly accounts; ledgers; journals; cash books; liabilities; balance books; revenue ledgers; office rate books; Collectors' recoveries and meter collections.

Records of the Grand Junction Waterworks Company, including Court of Directors' papers; legal papers; parliamentary papers; investments records; plans; engine and coal accounts; contracts; staff records and property records.

Corporate records of the Grand Junction Waterworks Company, including Court of Directors minute books; Committee books; Court record books; General Assembly minute books; Directors' reports; correspondence and letter books; registers of shareholders; stock ledgers; mortgage records; and contracts records.

General records of the Grand Junction Waterworks Company, including examples of forms printed and distributed by the company; general index of drawings; papers relating to rate assessment appeals; valuation of tools and working plant; and papers relating to Parliamentary Acts and Royal Commissions.

Purchase records of the Grand Junction Waterworks Company, comprising stock books.

Staff records of the Grand Junction Waterworks Company, comprising staff wages books.

Records of the Grand Junction Waterworks Company relating to water supply and distribution, including water supply agreements; laying on books; meter agreements; meter readings; fire report books; water rentals books; pipes records; examination of mains books; papers relating to alterations to pipes and fittings; meter charges; supply and engineering records.

Corporate records of the Kent Waterworks Company, including Board of Directors' minute books; Committee minute books; Secretary's reports; correspondence and letter books; legal papers; records relating to shares, stocks and dividends; and contracts.

Financial records of Kent Waterworks Company, including statements of account; ledgers; journals; cash books; revenue ledgers; allocation of expenditure books; receipts books and collector's accounts.

General papers of the Kent Waterworks Company including press cuttings; papers relating to the Royal Commission on Water Supply; legal case papers and indexes.

Purchase records of the Kent Waterworks Company including stock books, store book meters, and weigh bridge books (containing descriptions of goods and their weights).

Staff records of the Kent Waterworks Company, including wages accounts sheets; papers relating to salaries and pensions book.

Records of the Kent Waterworks Company relating to water supply and distribution, including engineer's reports; water supply agreements; records of supplies laid on and cut off; meter books and water rent books.

Further records of the Lambeth Waterworks Company, including Board papers; Secretary's reports; correspondence; legal papers; Parliamentary papers; contract papers; engineer's reports; inspector's reports; foreman's reports; papers relating to water supply; property records and staff records.

Corporate records of the Lambeth Waterworks Company, including minute books of the Committee of Management and Directors; Committee minute books; agenda books; Director's reports; correspondence and letter books; legal papers; papers relating to stocks and shares; dividend books; registers of bonds; and contracts records.

Financial records of the Lambeth Waterworks Company, including ledgers; journals; cash books and day books; Collector's rent and revenue records; water charges records; road watering and meter account books.

Staff records of the Lambeth Waterworks Company, comprising establishment books.

Records of the Lambeth Waterworks Company relating to water supply and distribution, including engineer's report books; Inspector's report books; water supply applications and agreements; supply registers; water meters; constant supply registers; registers of fires; water rent registers; engine time books and statistics; house surveys and works in progress.

Financial records of the London Bridge Waterworks Company, including cash books; Treasurer's accounts; monthly balances; Collector's accounts; arrears books; papers relating to rents; water rents lost by collectors and receipt books.

Corporate records of the London Bridge Waterworks Company, including Committee of Managers minute books; General Meetings of the Proprietors minute books; shareholders register; stock ledgers and transfer books and dividend books.

Purchase records of the London Bridge Waterworks Company comprising stock books, inventories and valuations.

Staff records of the London Bridge Waterworks Company, comprising servants weekly wages book.

Stock transfer records for the London Bridge Waterworks Company, comprising book of wills for deceased shareholders and elevation and plan of the great engine for the fifth arch of London Bridge.

Records of the London Bridge Waterworks Company relating to water supply and distribution, including water rental books; particluars of improvements to iron pipes; log book for steam engines and account of the working of the fire engine.

Prescription books [of William Martindale], 1885-1890. A number of the prescriptions are in fact recipes, including formulae for Sir Joseph Lister for cyanide of mercury and zinc in suspension (e.g. no. 2000), and another for '[Franz] Ziehl's stain for the tubercle bacillus' (no. 2600). Also included are reports on the analysis of drinking water at Winchelsea and elsewhere by John Attfield, Professor of Practical Chemistry at the Pharmaceutical Society, and by Dr Charles Meymott Tidy (nos. 2438-2439, 2892, 2979, 3035).

Records of the Metropolitan Free Drinking Fountain Association, later known as the Metropolitan Drinking Fountain and Cattle Trough Association; including minutes; agendas; constitution; annual reports; records relating to property and structures (fountains); correspondence; bequests and trusts; staff; financial accounts; plans; photographs; printed material including press cuttings and histories, and case files relating to individual fountains.

Records of the Metropolitan Water Board relating to the Croydon Corporation Waterworks, comprising plans from the Engineering Department including Croydon Corporation Waterworks; Waddon Pumping Station; Stroud Green Waterworks; Surrey Street Pumping Station and water mains, ponds, wells and rivers.

Records of the Metropolitan Water Board, including minutes and related papers for the Board; the Appeal and Assessment Committee; the Works and Stores Committee; the Stores Account Sub-committee; the Special Co-ordinating Committee and the Special Arbitration Committee.

Records of the Metropolitan Water Board Survey Department, including terrier volumes; registered dockets; files on land acquired; deeds registers; and files regarding rates assessments.

Records of the Metropolitan Water Board Treasurers and Comptrollers Department, including detailed balance sheets; Water Fund general ledgers; general journals; cash accounts ledgers; superannuation volumes; capital ledgers; borrowing powers volumes; investments volumes; mortgage sinking fund volumes; stock volumes; audit files; files relating to stocks and shares; mortgage loans files; registers of bankruptcies and liquidations and salary records.

Records of the Metropolitan Water Board Water Examination Department, comprising annual reports, monthly reports and research reports.

Records of the New River Company, comprising lease of a watercourse from main water pipe at back side of Saint Clement Danes to the private dwelling house of Thomas Dows, gentleman, 1697.

Financial records of the New River Company, including abstracts of accounts; balance sheets; ledgers; collectors ledgers; journals; disbursement books; cash books; revenue account books; audit books; bill book; bill cheque books; taxes and rates ledgers and accounts; landed estate accounts and meter rent books.

Records of the New River Company which were separated from the main collection and used for exhibitions, including minutes; papers of the Surveyor; papers of the Engineer; negotiations for the supply of water; property papers; correspondence; reports; royal charters; agreements; legal papers; newspaper cuttings; papers relating to shares; contracts and specifications of works; and papers relating to staff.

Minutes of the New River Company, including minutes, papers and reports of Weekly Meetings, of the General Courts of Governors, of the Surveys of the River Committee, of the Parliamentary Committee, of the Building Committee and of the River Lee Conservancy Board. Also copies of the charters of 1606 and 1737.

Contracts of the New River Company including specifications; quotations; contracts; tenders; accepted contracts; accepted stores contracts and contracts for building offices.