London's Pulse: Medical Officer of Health reports 1848-1972

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Kensington 1878

[Report of the Medical Officer of Health for Kensington]

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79
source of ill health to water drinkers, especially in hot summer weather
It is of little avail that the Companies supply effectually filtered water
if it is to be spoiled so soon as it enters the domestic receptacle, which is
often disregarded as though cleanliness were of no account. The only
remedy for this state of things is constant supply and abolition of
cisternage.
GAS.
The subjoined tables from the quarterly reports of the Chief Gas
Examiner exhibit at a glance the chief results (averages) of the daily
testings of the gas supplied by the Gas Light and Coke Company made
at Kensal Green, and examined at the testing station, 123, Ladbroke
Grove, NottingHill. Sulphuretted hydrogen, an impurity which is not
tolerated in any degree, was absent on every occasion when the gas was
tested; and ammonia was seldom found in the gas, and then only in
fractional amount far below the permitted maximum.

1. With respect to the illuminating power. The maximum, minimum, and average illuminating power in standard sperm candles was as follows:—(Statutory standard, " sixteen candles.")

Maximum.Minimum.Average.
Quarter ended March 31st19.516.217.5
Quarter ended June 30th19.716.517.7
Quarter ended September 30th19.516.017.4
Quarter ended December 31st19.316.317.6
Averages, whole year19.516.217.5

On no occasion during the year was the illuminating power lower
than the prescribed standard.

2. As regards purity. Grains of sulphur per 100 cubic feet of gas. (Permitted maximum, 20 grains in summer, 25 in winter.)

Maximum.Minimum.Average.
Quarter ended March 31st22.89.815.8
Quarter ended June 30th21.22.89.0
Quarter ended September 30th37.46.011.3
Quarter ended December 31st33.010.819.1
Averages, whole year 28.67.313.8

The average in respect of sulphur impurity was considerably better
than required by the Acts in the first quarter; the maximum on one