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20
The sanitary works recommended are summed up in the Report of the
Inspector of Nuisances.
Gas.—The Gas supplied by the Independent Gas Company has been
subjected to examination, as to its illuminating power and chemical
purity. The examinations have generally been made at the place fitted
up by the Company, without giving previous notice. Other observations
have been made at the residence of the Chemical Examiner, in Finsbury
Square. The mean of 45 observations to determine the illuminating
power was 13.6 candles—the maximum required by the Act being
twelve candles. The minimum illuminating power recorded is 12.6
candles; the maximum, 14.6. The Gas generally contained a perceptible
quantity of Ammonia. No free Sulphuretted Hydrogen was ever detected.
There is no convenience for the construction and working of an apparatus
for the determination of the quantity of Sulphur which may exist
in other forms of combination. On one occasion, many consumers
complained of a marked odour of Sulphuretted Hydrogen. If this arose
from the Gas, it was, no doubt, owing to some temporary or accidental
passage of the gas into the gasometers without being properly purified.
The pressure was very constantly from 2.0 to 2.3 inches after dark.