Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 821
by -which the heated air is inlCoduced and the foul air extracted from the rooms,■will be understood by referring to Figs. 3732, 3733, and 3734, -which represent the arrangement forwarming and ventilating three of the large associate rooms in the main building, -which are each 47 bv44 feet. Th^…
Mechanical engineering · Mechanics · Engineering
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