Illinois Society of Architects · Chicago · leaf 684
tsof such defects as small strings or lines,small blisters when not too close to one an-other or located in the center of the sheet.Well flattened, the surface even, and devoidof noticeable scratches, cropper marks, burnsand other prominent defects. B or Third Quality.—B glass covers awider range… … SQUARE TWIST£D POD^ No. 35 Glass SPECIFICATION Sidewalk Lights to be of reinforced concrete con-struction glazed with No. 35 POLARISCOPETESTED GLASS set in GALVANIZED CASTIRON SHIELDS with SPECIAL ELASTICCEMENT all as made by RICHARDS & KELLYMFG. CO., 311 West Twenty-third Street, Chi-cago,…
Architecture · Building · Architects
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