Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 113
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 … GAL\/AN/ZCI} IRON SLIXIING DOORCAS/NG Fip. (io. (leneral Arrangement of a Galvanized-Iron Casing and Mixing Damper.Damper between Heater and Register. the position of the damper, the proportions of warm and cold airdelivered to the room can be varied, thus regulating the temperaturewithout…
Architecture · Building · Carpentry
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