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55
Cost of Material and Electricity.
The cost of material in manufacturing 30,750 (strong) gallons of
the electrolytic fluid was as follows:—
£ s. d.
Electricity, 7,438 units at 1½d. (with 10 per
cent. advance) per unit 51 2 8
*Chloride of Magnesium, 4 tons 10 cwts. 58 10 0
*Salt, 6 tons 10 cwts. 22 8 6
*Caustic Soda, 10 cwts. 1 qr. 4 lbs .. 30 16 0
Water 2 11 3
Total cost of materials to produce 30,750
gallons (strong) broken down to 61,500
gallons £165 8 5
Electric motor for stirring : 91 units .. 0 12 6
Bottles, Corks and Labels.
Bottles 39 13 6
Corks 490
Labels (no labels ordered) —
£44 2 6
Total Quantity Manufactured since Installation of Plant.
Since the installation of the plant, a period of 13 years, 504,219
gallons of fluid have been manufactured (see footnote page 56)
at a cost for eleotricity of £586 8s. 4½,d., and materials of £645 9s. 3d.,
about ½d. per gallon (previous to the war the cost was under ½d. per
gallon, but even with the strong fluid which at present is being made
and is broken down the cost is still about ½d. per gallon when the gallons
are reckoned in bulk)f.
* On account of the war the price of these materials was increased.
† See "Comments on Adverse Criticism," Annual Report, 1911.