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Gas mask filter
Period
20e siècle
Medium / Technique
Rubber
DimensionsDiameter: 5 cm (1 15/16 in.)
ClassificationTools & Equipment for Science & Technology - Regulative & Protective T&E - Protective Devices
Object Number1980.46.28.4
CollectionStewart
CreditGift of John W. Mac Dowall
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This project is made possible thanks to the generous support of the Azrieli Foundation and Canadian Heritage.