American Society of Heating and Ventilating Engineers GuiDEigjy Chapter 25--Boilers tube or water tube; second, with regard to arrangement of furnace flues, as (1) horizontal return tubular (HRT) boilers, (2) portable contained) firebox boilers with either water or fire tubes, and (3) w t" tube boilers of the power type.

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American Society of Heating and Ventilating Engineers Guide, 19j^ evaporating pans or spray nozzles.

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Sr Louis Public Library American Society of Heating and Ventilating Engineers Heating ventilating air conditioning guide.

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