A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 390
n by a centrifugal fan h, through aheater d, and is delivered to the vertical ducts //, by the pipec\ the foul-air vent is shown at v. A part of the air passesaround the heater and is delivered cold to the wall ducts bythe pipes c. The hot-air flues for the various rooms aremade separate, and each… … Fig. 9G.
Architecture · Building
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