Contrasting filters -- one new and one in use 24 hours are held by Eddie Sargent (L--Grey North)
Date4/13/1967
Names
Format
Original Toronto Star caption: Contrasting filters -- one new and one in use 24 hours are held by Eddie Sargent (L--Grey North). Black one was used in a federal air testing experiment at Island Airport and had been exposed to downtown air on 'clean'day.
Medium
Language
ProvenanceFrom the Toronto Star Archives
CollectionToronto Star Photograph Archive
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Copyright
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Copyright HolderToronto Star (Firm)
Call Number / Accession NumberTSPA_0078643F
4/24/1996
12/10/1971