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
Lambeth 1871
[Report of the Medical Officer of Health for Lambeth]
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9
RESULT OF 1380 OBSERVATIONS
Of HIE
ILLUMINATING TOWER OF THE GAS
Made on 69 occasions, daring the year 1871-72.
Gas COMPANIES.
No. of
occasions
Gas
tested.
Where tested.
Average
Illuminating
power.
Tests for purity,
Ammonia
Sulphuretted
Hydrogen.
The London.
31
The Vestryhall,
Kennington.
Equal to
14.87 Sperm
Candles.
Pure, except
on two occasions,
slight
traces of ammonia.
The Pbænix.
31
Ditto
15.10 Sperm
Candles.
Pure,
The Crystal Palace
District.
7
The Works,
Lower Sydenham.
14.60 Sperm
Candles.
Traces of ammonia
on two
occasions.
(By Order)
THOMAS ROFFEY,
Vestry Clerk.