Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Poplar, Metropolitan Borough]
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Vehicle. | Speedometer register (miles). | Petrol consumption (gallons). | Average m.p.g. |
---|---|---|---|
•Speedometer of old Car not working for 8 weeks—mileage and petrol consumption
not recorded.
ELECTROLYTIC DISINFECTING FLUID.
The electrolytic disinfecting fluid as manufactured contains approximately
8—9 grammes per litre of free chlorine and is broken down to a
strength of approximately 4 grammes per litre for distribution.
During the year 1929, 77,551½ gallons were manufactured. 136,805
gallons of the weaker solution were produced, which, with a balance of
180 gallons on hand at the beginning of the year, were distributed, a
total of 136,985 gallons.
Quantity Produced. | |||
---|---|---|---|
As Manufactured | As Issued. (i .e., Weaker Solution.) | Electricity Consumed., | |
Gallons. | Gallons. | Units. | |