Handy man book plumbing and heating encyclopedia (1922)
Hardin-Lavin Co. · Hardin-Lavin Co. · leaf 181
ing. Only the very best grade of material is used in the manufac-ture of our boilers, and combined with first class workmanship,and experienced engineering services, you are, in advance assuredthat our boiler will give perfect service. DIRECT HEATING SURFACE Hardin-Lavin Boilers have from 10 to 35%… … 1923 L-711 HARDIN-LAVIN SECTIONAL BOILERS The design of our boiler brings a maximum amount of heat-ing surface in contact with the fire. The products of combustionmust first pass to the back of the boiler, then to the front, andthen to the back again, and from this point out in through thesmoke…
Plumbing · Heating · Ventilation · And air-conditioning · Bathrooms -- trade · Lavatories and sinks · Bathtubs · Ceiling ventilators · Water heaters · Steam and condensate piping and pumps · HVAC ducts and casings · Air duct accessories
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