Note and memorandum book (Charles Tennant & Co of St Rollox (Glasgow)).

Contains details of various processes for the production of soda, bleaching liquor, chlorine, nitric acid, vitriol and muriatic acid in use at St Rollox and elsewhere, including:- account of the manufacture of pearl ash in Birmingham 31 Aug 1820 (pp 1-3); account of the sulphur manufactory at Goslar (Germany) (pp 11-12); "observations upon the manufacture of Sulphuric Acid" 30 Sep 1829 (pp 86-102), and "Comparative view of the French and British Manufacture of Soda Per Mr Clement" (p 16). Also including account of the Swansea Gasworks (pp 17-18); notes on revenue from sulphur 1815-21 (p 15), and "Memoir on the Nature of Fat Substances" by Henry Bracounot, Professor of Natural History, and Director of the Garden of Plants at Nancy (pp 25-84). Incomplete list of contents at back.