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Dr. Ernest Knapp. Chemist. At work in his Don Mills laboratory
Dr. Ernest Knapp. Chemist. At work in his Don Mills laboratory

Dr. Ernest Knapp. Chemist. At work in his Don Mills laboratory

Date10/24/1973
Names
(photographer)
Format
Medium
Language
ProvenanceCourtesy: Toronto Star Photograph Archives
Usage Rights Copyright (Learn More)
Copyright HolderToronto Star (Firm)
Call Number / Accession NumberTSPA_0129030F