A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 340
, plentyof time will be afforded for transferring the heat. A 17 OF BUILDINGS. 143 momentary exposure of the air to a red-hot surface is far lesseffective than a prolonged exposure to surfaces having onlya moderate temperature. Time is an important element inheating air. 339, Figs. 83 and 84 show a… … o o o o oo o o o o 0,/0 o o o Oi o o o o ^ r )(J fT Fig. 83. of comparatively small diameter. Fig. 83 is a vertical sec-tion parallel with the front, and Fig. 84 is a horizontalsection on the line XX. The firebox is located in themiddle of the structure and is surrounded by the air-heatingchambers.…
Architecture · Building
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