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This is a vintage M-S-A (Mine Safety Appliances) Industrial Gas Mask, likely dating from the 1940s to the 1960s. The "All-Vision Facepiece" was a significant innovation for its time, replacing the older small circular eyepieces with a single large lens to give workers a better field of view.
Item Overview
Manufacturer: Mine Safety Appliances Co., Pittsburgh, PA, USA.
Model: Industrial Gas Mask with "All-Vision" Facepiece.
Contents: The set includes the rubber face mask, a corrugated breathing tube, a green "Ammonia" or "Industrial" canister, and the original red metal carrying case with instruction labels.
Condition Note: The mask appears to be in good display condition, but the rubber and filters are long expired. This is a collectible only and should never be used for actual respiratory protection.
Estimated Value:
R1,200 - R2,500
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