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54
with these stoves adds much to their attractiveness,
and is unobjectionable from a sanitary
point of view; this, however, is only applicable
for domestic fires.
Then, again, we have the "Siemens" method
of burning coke with ordinary coal gas, of
which I have had personal experience in a
large kitchener for household cooking of all
kinds.
The cooking arrangements in the restaurants,
&c., vary very much with the extent ot
the trade carried on, the convenience of the
premises, and the pecuniary circumstances of
the proprietors.
It is found upon inspection that in the great
majority of cases black smoke is only emitted
from the chimneys in the earlier periods of the
day, viz., when the fires are first lighted, and
in restaurants when cooking is most active,
As a rule, very little smoke is given off after
the middle day from small establishments,
but in larger buildings, such as the General