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Dealing with chemistry.

Acting on behalf of Greenwood Mercer and Barnes, he informs Tennants that they are infringing upon his clients' patent.

First mention of paraffin; James Young’s interest in the chemistry of dyestuffs, with the experiments carried out; addresses; accounts of production; list of garden seeds and plants to be bought; and list of his children’s birthdates.

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'.

Referring to the American patent for the stannate process.