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 1916
Annual report for the year 1916 on the sanitary condition and vital statistics of the Metropolitan Borough of Poplar, comprising the registration sub-districts of Poplar, Bromley and Bow
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76
Cost of Material and Electricity.
The cost of material in manufacturing 26,790 (strong) gallons of the electrolytic fluid was as follows:—
| £ | s. | d. | |
|---|---|---|---|
| Electricity, 6,250 units at lid. (with 10 per cent. advance) per unit | 40 | 3 | 1 |
| *Chloride of Magnesium, 4 tons 10 cwts. 0 lbs. | 47 | 14 | 0 |
| *Salt, 4 tons 15 cwts. | 11 | 8 | 0 |
| *Caustic Soda | 12 | 12 | 0 |
| Water | 2 | 10 | 0 |
| Total cost of materials to produce 26,790 gallons (strong) broken down to 53,580 gallons | £114 | 7 | 1 |
| Electric motor for stirring : 164 units | 1 | 0 | 6 |
| Bottles, Corks and Labels | |||
| *Bottles | 26 | 18 | 6 |
| Corks | 3 | 19 | 0 |
| Labels (no labels ordered) | - | ||
| £30 | 17 | 6 | |
Total Quantity Manufactured since Installation of Plant.
Since the installation of the plant, a period of 11 years, 445,569
(see footnotes †, pages 76-77) gallons of fluid have been manufactured
at a cost for eleotricity of £490 14s. 2d., and materials of £455 13s. 2d.
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 under ½d. per gallon when the gallons
are reckoned in bulk)†.
* On account of the war the price of these materials was increased.
† See "Comments on Adverse Criticism," Annual Report, 1911.