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Two tracts on acids by John McNab comprising:

1. Experiments on Mineral Acids and Rectified Spirits of Wine, for finding the greatest degree of cold.

2. Experiments on the Congelation of Vitriolic and Nitrous Acids in Hudson's Bay.

Notebooks on experiments on worms, frogs and snails (chemical and electrical) 29 December 1858 to 21 July 1859, with an undated fragment of a letter concerning the health of Mrs Petrie.

'An Account of my Doings 1924-1966' by George Salt, including accounts of his scientific work, calligraphic work and his mountaineering.