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 1919
Annual report for the year 1919 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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Cost of Material and Electricity. The cost of material in manufacturing 33,285 (strong) gallons of the electrolytic fluid was as follows:—
| £ | s. | d. | |
| Electricity, 8,052 units at l½d. (with 50-65 per cent, advance) per unit | 77 | 7 | 9 |
| *Chloride of Magnesium, 4 tons 16 cwts. 2 qrs. | 87 | 0 | 10 |
| *Salt, 6 tons 17 cwts. 2 qrs. | 29 | 13 | 3 |
| *Caustic Soda, 8 cwts. 2 qrs. 6 lbs. | 19 | 14 | 5 |
| Water | 2 | 15 | 6 |
| Total cost of materials to produce 33,285 gallons (strong) broken down to 66,570 gallons | £216 | 11 | 9 |
| Electric motor for stirring: 203 units | 0 | 13 | 8 |
Bottles, Corks and Labels
| Bottles | _ | _ | _ |
| Corks | 11 | 15 | 6 |
| Labels | 2 | 5 | 0 |
| £14 | 0 | 6 |
Total Quantity Manufactured since Installation of Plant.
Since the installation of the plant, a period of 14 years, 537,504
gallons of fluid have been manufactured (see footnote page 56)
at a cost for electricity of £663 16s. l½d.,and materials of £784 13s. 3d.,
about ½d. per gallon (previous to the war the cost was under ½d. per
gallon, but oven with the strong fluid which at present is being made
and is broken down the cost is still about §d. per gallon when the gallons
are reckoned in bulk)†.
* The price of these materials has considerably increased in recent years.
† See "Comments on Adverse Criticism," Annual Report, 1911.