London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Hanover Square 1862
[Report of the Medical Officer of Health for Hanover Square, The Vestry of the Parish of Saint George]
This page requires JavaScript
12
free from sulphuretted hydrogen, and so far free from
ammonia that they did not discolour the turmeric paper
exposed under a pressure of five-tenths of an inch of
water.
The following Table gives the average light in sperm candles of all the gases.
| Chartered. | London. | Equitable. | |
|---|---|---|---|
| Cannel | 23.70 | 21.93 | 25.24 |
| Common | 13.77 | 14.70 | 14.87 |
A Table and Summary were sent with each monthly report
on the gas to the Vestry, containing the number of examinations
with the dates, and the maximum and minimum
light, with the weekly and monthly average illuminating
power.
(Signed) C, J. B. Aldis, M.D.,
Gas Examiner.