Building and Engineering Catalog 1921 Edition . for description. The Dunham system of heating may be further described in its severaladaptable forms to peculiar conditions by the following sub-names: The DunhamHome Heating System, as its name implies, for the home or small building. TheDunham Return System, for the medium size building, the apartment house, the small school, factory, and church, also for changing over and increasing the efficiency of old one-pipe Olid two-pipe gravitysteam jobs. The Dunham Vacuum System for still larger buildings of all types, for groups of buildings, factorie
Building and Engineering Catalog 1921 Edition . for description. The Dunham system of heating may be further described in its severaladaptable forms to peculiar conditions by the following sub-names: The DunhamHome Heating System, as its name implies, for the home or small building. TheDunham Return System, for the medium size building, the apartment house, the small school, factory, and church, also for changing over and increasing the efficiency of old one-pipe Olid two-pipe gravitysteam jobs. The Dunham Vacuum System for still larger buildings of all types, for groups of buildings, factories, schools,colleges, hospitals, and for municipal or central heating plants. Each of these several designs are complete two-pipe systems, the great efficiency of which is made possible by the useof the Dunham Radiator Trap, which is installed at the discharge or return outlet of each radiator or pipe coil, whereit stands guard against the waste of steam and constantly relieves the radiation of the enemies of heating efficiency—air and CONTINUED ON NEXT PA.
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Keywords: ., bookcentury1900, bookdecade1920, bookidbuildingande, bookyear1921
