II SeCTfOrts rui.i. ir/rrs J-^ JUO SOe *(B f^ W» TOO SW SW JOtf K J> IJOO /f^i* ■« «• /* /S« /wo HtQQ l/fi. OC/TY OT- SIR THFtOUGH COtL5 … TEMPERING COIL. FOR FACTORIES. DEPTH OF HEATERS. VELOCITYTHROUGHHEATERS. TYPE OF HEATERS. SIZE OF HEATERS. Where a fan and heater is used for ventilalion only, in conjunction with a system of direct radiation, the heatercoil is furnished only to raise the air from the outside temperature to a final…
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