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 1872
[Report of the Medical Officer of Health for Lambeth]
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11
RESULT OF 116 OBSERVATIONS
of the
ILLUMINATING POWER OF THE GAS
Made on occasions, 69 during the year 1872-3.
GAS COMPANIES.
No. of
occasions
gas
tested.
Where tested.
Average
Illuminating
Power.
Tests for purity,
Ammonia
Sulphuretted
Hydrogen.
The London.
52
The Vestryhall
Kennington.
Equal to
14.29 Sperm
Candles.
Pure, except on
three occasions,
when there were
traces of
monia.
The Phœnix.
52
Ditto
14.50 Sperm
Candles.
Pure.
The Crystal Palace
District.
12
The Works,
Lower Sydenham.
14.39 Candles.
Traces of ammonia
on three
occasions.
(By Order)
THOMAS ROFFEY,
Vestry Clerk.