| William Notman No. 11 coffer dam, 24 feet below surface, Victoria Bridge, Montreal, QC [Victoria Bridge, Montreal, QC] 1859 (taken) 1971 (print) Silver salts on film (safety) - Gelatin silver process 12 x 10 cm McCord Stewart Museum © McCord Museum, Purchase from Associated Screen News Ltd., VIEW-7017.0 LL/38920
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