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Collection Scope and Content Notes

The Carl Truman Johnston Photographs consist of 392 images: 137 black and white cellulose nitrate negatives (8"x10"), 21 black and white cellulose acetate negatives (5"x7" and 8"x10"), six color cellulose acetate negatives (5"x7"), 67 loose black and white gelatin silver prints (4"x5", 5"x7" and 8"x10"), seven bound photograph albums containing 161 black and white gelatin silver prints (8"x10"), and one oversized (14"x17") black and white gelatin silver print.

Pittsburgh views include notable buildings, bridges, and other points of interest. The 1936 Saint Patrick's Day Flood features prominently in the photograph albums. Corporate photographs include subjects such as machinery and transportation which were staged for promotional use.

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