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 1928
[Report of the Medical Officer of Health for Poplar, Metropolitan Borough]
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Cost of Materials and Electricity . The cost of materials and electricity for manufacturing the electrolytic fluid was as follows:—
| £ | s. | d. | |
|---|---|---|---|
| Electricity, 23,012 units at iid. per unit (with 50 per cent. advance) | 215 | 14 | 9 |
| Chloride of Magnesium, 6 tons, 17 cwts. 3 qtrs. 12 lb | 46 | 7 | 9 |
| Salt, 30 tons 14 cwt | 113 | 0 | 2 |
| Caustic Soda, 20 cwt. 2 qtrs. 8 lb | 30 | 17 | 0 |
| Water 84,712½ gals. | 3 | 3 | 9 |
| Total cost of materials and electricity to produce 84,712½ gallons (strong); broken down to 150,790 gallons | 409 | 3 | 5 |
| Electric motor for stirring; 392 units | 3 | 13 | 6 |
Bottles, Corks and Labels.
| Bottles | — | — | — |
| Corks | 16 | 4 | 0 |
| Labels | 5 | 15 | 0 |
| £21 | 19 | 0 |
Total quantity of water used for all purposes, 370,000 gallons, cost
£13 18s. 7d.