Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 485
Fig. 9. Radi.Vtor Valve Radiator ValveClosed. Opex. .loHxsoN Positive Thermostat.* Fig. 10.Holding Hot Air DamperIN Fully Open Po.sitiox. Fig. 11. Operating to Close Hot Air Damper. .Johnson Intermediate Thermo.stat.* element operates directly without levers on a double valve controlling both…
Building · Heating · Ventilation
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