Handbook for heating and ventilating engineers . 8 101010 421,272 17x1818x 817x1813x 817x1813x1317x1818x 817x1813x13 Vent registers taken same size as heat registers. For sizes ofengine, fan, heater colls, etc., see applications under these heads PLENUM WARM AIR HEATING 203 «A O en Q. 204 HEATING AND VENTILATION

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectventila, bookyear1913