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 Hanover Square, The Vestry of the Parish of Saint George]
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The following Table gives the average light in sperm candles of all the gases—
Chartered. | Londoo. | Equitable. | |
---|---|---|---|
Cannel | 24.61 | 22.78 | 25.76 |
Common | 14.82 | 14.30 | 15.08 |
A Table and Summary were sent with each Monthly
Report on the gas to the Vestry, containing the number of
examinations and the pressures, with the dates, and the
weekly and monthly average illuminating power.
0. J. B. ALDIS, M.D.,
fj-as Examiner.