Original vintage architectural trade magazine ad for RELIANCE BALL BEARING DOOR HANGER COMPANY of New York City, NY. Notable Reliance Hanger Installations Numbers 20 and 21. The Ritz Carlton Hotel, and the Hotel Vanderbilt in New York City. Messrs. Warren and Wetmore, Architects of these superb hotels specified Reliance Hangers for the Elevator Doors. Old 1912 construction industry advertisement.