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
Hanover Square 1865
[Report of the Medical Officer of Health for Hanover Square, The Vestry of the Parish of Saint George]
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14
APPENDIX. No. V.
gas.
Seventy-two observations were made during the quarter,
upon the six gases supplied by the Chartered, London, and
Equitable Companies, in the Horseferry-road, Bessboroughstreet,
and Cambridge-street, respectively.
The gases were burned in accordance with the Metropolis
Gas Act, 1860, and the illuminating power continued above
the standard light required by the Act.
With respect to purity, all the gases were free from
sulphuretted hydrogen, and so far free from ammonia, that
they did not discolour the turmeric paper.
The following Table gives the average light in sperm candles of all the gases:—
| Chartered. | London. | Equitable. | |
|---|---|---|---|
| Cannel | 80.92 | 24.43 | 27.33 |
| Common | 14.28 | 14.16 | 14.96 |
A Table and Summary were sent with each Monthly
Report on the gas to the Yestry, containing the number of
examinations and the pressures, with the dates, and the
weekly and monthly average illuminating power.
C. J. B. Aldis, M.D., Gras Examiner.