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 1869
[Report of the Medical Officer of Health for Lambeth]
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9
RESULT OF 1840 OBSERVATIONS
OF THE
ILLUMINATING POWER OF THE GAS
Made on 92 occasions, during the Year 1869—70.
GAS COMPANY.
No. or
occasions
Gas
tested.
Where Tested.
Average
Illuminating
power.
Tests for Purity,
Ammonia,
Sulpheretted
Hydrogen.
The London
35
The Vestry
hall, Kennington
EQUAL TO
14.23 Sperm
Cundles.
Pure.
The Phœnix
33
The Vestryhull,
Kennington.
14.01 Sperm
Candles.
Pure.
The South Metropolitan
12
The Testing,
house, Hill
Street, Peckham.
13.96 Sperm
Candles.
Pure.
The Crystal Palace
District
12
The Works,
Lower Sydenham.
13.73 Sperm
Candles.
Pure, except
on seven occasions
Ammonia
present
once in large
quantity.
(By Order)
THOMAS ROFFEY,
Vestry Clerk