Notebook No. 4

Contains numbered pages 1-110, not all of which have been used. There are a few blank and unnumbered pages after p. 110.

A few entries have been crossed through, either with pencil or ink. Some entries appear to have had text appended to them.

ENTRIES AS FOLLOWS ARE INCLUDED IN THIS NOTEBOOK:

p. 1 'On "Powdered Vitriol"' - including details of manufacture, formulae, use, packaging, price calculations (p. 14, p. 21), sales (for some months of 1868, p. 18, for 1868 by month Mar-Dec, p. 26

p. 45 'Cost of Vitriol March 1869' - including details of raw materials used with costs, similar details on wrappings, sales by month for 1869 (p. 52), manufacture of Vitriol 1869 (p. 53 onwards), sales by month for 1870 (p. 62), and for 1871 (pp. 65-66)

p. 68 '1871 - Experiments on Vitriol' - including details of chemical processes, 'vitriol making' (p. 78), sales figures for vitriol 1872 by month (p. 80), and for 1873 (p. 86), 1874 (p. 87), 1875 (p. 92), 1876 (p. 100), 1877 (p. 103).

p. 94 'To Make Vitriol' - including detailed 'recipe', also for 'Sulphate of Indigo', and details of sales of Copper Sulphate crystals 1876 (p. 99, p. 101), 1877 (p. 102).

pp. 104 onwards ('1882') appears to have been written by H H Cooper.

p. 13, p. 43, p. 50, p. 67, and p. 93 are blank.

The front of the notebook has a label affixed for 'Powdered Vitriol (soluble in cold water) For Dressing Seed Wheat', a small amount of which has been torn off.

Enclosed at the end of the volume are a postcard from W H Cowburn, Manchester to 'Messrs Cooper & Sons', 24 Apr 1899, re: offer of Copperas crystals for sale; and an order note dated 4 Oct 1881

c 1868 - 1882

1 item

Please see main WF collection description (ref. 'WF').