Original vintage architecture trade magazine ad for RELIANCE BALL BEARING DOOR HANGER COMPANY of New York City, NY.  Notable Reliance Hanger Installations.  The W.P. Story Building in Los Angeles, CA.  Morgan, Walls and Morgan Architects.  Kohler and Chase Building in San Francisco, CA.  F.H. Meyer, Architect.  Cobb Building, Seattle, WA.  Howells and Stokes, Architects.  Imperial Hotel, Portland, OR.  Whidden and Lewis, Architects.  Old 1911 building construction industry hardware advertisement.