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constructed in 1861, at the request of the Sanitary
Committee. It was pointed out that the purpose
for which it was intended, was to ensure a continuous
stream through the basin, but that owing to the
absence of a proper relation between the levels of
the two weirs at the inlet and outlet respectively,
the whole of the available current continued to
flow over the weir near the inlet without entering
the basin at all. It was at once agreed that the
weir in question should be heightened.
Disinfection.
On the 18th of July, 1861, I was instructed to
report on the best means of disinfecting Stables.
Various substances have been proposed for the
purpose, some having for their object merely the
destruction of offensive smell, others being adapted
to destroy or decompose the putrescent organic
matter which is the cause of that smell, such for
example as Chloride of Lime, and a variety of
metallic salts, (Nitrate of Lead, Perchloride of
Iron, Chloride of Zinc, &c.) All of these disinfectants
have the disadvantage that when applied to
manure they injure its fertilizing properties, besides
which drawback most of them must be added in the
liquid state, which renders their use inconvenient
in Stables. For these reasons the preference may
be given without hesitation to another class of