Keywords: 28 interior model hall floor 029426pu.tif Photograph en 28 INTERIOR MODEL HALL DETAIL OF FLOOR TILES - Patent Office Building Bounded by Seventh Ninth F G Streets Northwest Washington District of Columbia DC HABS - Photographer 5 x 7 in LOC-image hhh dc0194/photos 029426p accession number HABS DC WASH 503--28 No known restrictions on images made by the U S Government; images copied from other sources may be restricted <gallery> 28 INTERIOR MODEL HALL DETAIL OF FLOOR TILES jpg jpg </gallery> 38 895 -77 03667 DC WASH 503--28 Patent Office Building Washington D C in the 1980s |