Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 112
make it the same as the space above. Dampers. The general arrangement of a galvanized-iron casingand mixing damper is shown in Fig. 60. The cold-air duct is broughtalong the basement ceiling from the inlet window, and connectswith the cold-air chamber beneath the heater. The entering air passesup… … 87 78 HEATING AXD VEXTILATIOX damper is raised to the position shown, part of the air will pass bywithout goinsjj through the heater, and the mixture entering throughthe register will be at a lower temperature than before. By changing rCOOR R£G/ST£R
Architecture · Building · Carpentry
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