A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 272
76 HEATING AND VENTILATION 17 The mixing valve should be located at the foot of the ver-tical duct, and it may be operated from any floor by meansof suitable connections of wire and chain. If desired, theconnections may pass down through the flue. All mixing valves should operate to change the…
Architecture · Building
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