London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Poplar 1917
[Report of the Medical Officer of Health for Poplar, Metropolitan Borough]
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Cost of Material and Electricity .
The cost of material in manufacturing 27,900 (strong) gallons of the electrolytic fluid was as follows :—
| £ | s. | d. | |
|---|---|---|---|
| Electricity, 6,484 units at lid. (with 10 per cent. advance) per unit | 44 | 11 | 6£ |
| *Chloride of Magnesium, 3 tons 0 cwts. 0 lbs. *Salt, 3 tons 6 cwts. | 39 11 | 0 11 | 0 0 |
| *Caustic Soda, 6 cwts 3 qrs. 12 lbs | 22 | 8 | 0 |
| Water | 2 | 11 | 4 |
| Total cost of materials to produce 27,900 gallons (strong) broken down to 55,800 gallons | £120 | 1 | 10½ |
| Electric motor for stirring : 148 units | 1 | 0 | 0 |
| Bottles, Corks and Labels | |||
| Bottles (Large number in Stock 1916) | |||
| Corks | 5 | 0 | 0 |
| Labels (no labels ordered) | - | ||
| £5 | 0 | 0 |
Total Quantity Manufactured since Installation of Plant.
Since the installation of the plant, a period of 12 years, 473,469
(see footnote page 71) gallons of fluid have been manufactured
at a cost for eleotricity of £535 5s. 8½d., and materials of £531 3s. 6d.,
about |d. per gallon (previous to the war the cost was under id. per
gallon, but even with the strong fluid which at present is being made
and is broken down the cost is still under ½d. per gallon when the gallons
are reckoned in bulk)f.
*On account of the war the price of these materials was increased,
†See "Oommpnts on Advene Criticism," inrual Report, 1911.