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Belgian Ademhalingsmasker S.B.A.
The Belgian Ademhalingsmasker S.B.A. had a large speech diaphragm and a unique finger-shaped sweat reservoir located under the chin. At the tip of the reservoir was a valve to drain any accumulated moisture without removing the mask. Designed for industrial use, this example was made by Société Belge de l'Azote in 1939.
Ademhalingsmasker = "Respiratory Mask"
Société Belge de l'Azote = "Belgian Society of Nitrogen.
Similar masks in my collection: N/A
Rubber stamp
Model stamp on chin "MODELE DEPOSE" "Deposit Model"
Rubber stamp
Manufacturer stamp on chin "TYPE AGREE PAR LE GOUVERNEMENT No105" "S.B.A. OUGREE 2"
Filter
Filter stamp top view "BREVETE F-39-P"
Filter
Filter inspection stamp side view "4.M.D.N. CONTROLE S.P.G. 1940"
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