National Geographic : 1921 May
THE IDEAL TYPE A HEAT MACH OWNERS of this highly refined Heat Machine enjoy an average fuel saving of 331/o. This is shown by records of thousands of installations. Long recoaling periods and auto matic control assure a luxurious heating service hitherto thought not obtainable in the private home. The compact construction, handsome finish, dust-free jacket and gas-tight doors make it a feature of the remodeled basement. Send for catalog showing heat test charts and constructiondetail AMEIGANR IATOR COMPANY Write Dept. 55 . NEW YORK and CHICAGO Sales Branches and Showrooms in all large cities. copyright 1920 American Radiator Company "Mention The Geographic-It identifies you"