The architecture of country houses : including designs for cottages, farm houses, and villas, with remarks on interiors, furniture, and the best modes of warming and ventilating (1851)
Downing, A. J. (Andrew Jackson), 1815-1852, Anderson, Alexander, 1775-1870 · New York : D. Appleton & Company, 200 Broadway ; Philadelphia : Geo S. Appleton, 164 Chestnut-Street · leaf 244
e doneby preventing the accuiaulation of heated air under the roof. For this purpose Emersons Ejecting Yentilator^ Fig. 87, isthe simplest and most effective apparatus we have yet seen. Itconsists of a tube, usually made of zinc, galvanized iron, or tin,open throughout, with a frustum of a cone at… … [Fig 87. The EjectingVentUator.] 192 COUNTKY nOUSES. ever direction it falls, the effect of causing a strong upwarddraft will be very uniform and constant. This ventilator top has the advantage of being stationary, sothat it can be peraaanently iixed to the roof of a house, like achimney; and when…
Architecture, Domestic
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