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List of daily tasks, stock of paraffin, details of contracts and books for the laboratory.

Containing records of shift working and experiments, especially with treatments of natural fibres.

'Chamber book' endorsed on inside cover. Notes about plant installations, earth borings for chimney foundations and list of scientific equipment required. Accounts and diagrams.

Informing her of his decision to leave Thomas Graham and work for Messrs James Muspratts.

Gives Playfair details of an experiment which has proved James Young correct. Asks Playfair to deal with the patent and pass on his best wishes to his London friends.

Requesting Young to investigate the chemical composition of bone manure and informing him that the stannate of soda process may not be accepted in France by the customs.

Requesting a sample of caustic potash and its price.

Regarding the stannate patent in America.

Giving details of Young’s American patent for 'Improvements in the manufacture of Stannate of Soda or Potash'.

Regarding the French patent, company accounts and Mercer’s Case.

Enclosing balance sheets for January to July 1852 (not extant). Discussing stannate business.

Regarding the balance sheets and commercial success of the stannate process.

Tennants strongly deny that they wish to change the division of profit between Young and themselves in regard to the production of stannate of soda.

Hyde’s Carbon suit. Details of the case which is to be heard on 27 June 1854. Names of witnesses to be summoned and evidence to be supplied.

Business and personal news.