At the other end is a dumb-waiter, running from
cellar to roof, and opening into the hall of each story. Four chimneys
are constructed near the centre of the house, one for each suite of
rooms, to receive a smoke-pipe of cast-iron or terra cotta, as described
previously, with a space around it for warm air; and this serves as
the exhausting-shaft to carry off the vitiated air from parlors,
kitchens, bedrooms, and water-closets. In each kitchen is a stove such
as is described in Chapter IV., its pipe connecting with the central
cast-iron or terra cotta pipe. The stove can be inclosed by sliding
doors shutting off the heat in warm weather. These kitchen stoves, and
a large stove in the basement to warm the central hall, would suffice
for all the rooms, except in the coldest months, when a small terra
cotta stove, made for this purpose, or even an ordinary iron stove,
placed by one window in each of the parlors, would give the additional
heat needed; while fresh air could be admitted from the windows behind
the stove, and thus be partially warmed.
This exhibits the essential feature and peculiarity of Mr. Leeds's
system of ventilation, before described.
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