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YorkCo Smoke & Ammonia Mask

The YorkCo Smoke & Ammonia Mask used a Kops Tissot Monro (K.T.M.) facepiece with a set of proprietary filters, which used an unusual clamp to attach to the hose.  The mask and filters were stored in a metal box with the York logo on the front, and instructions for use on the inside cover.  Manufactured for York Ice Machinery Corporation by Mine Safety Appliances.


Similar masks in my collection:  U.S. Army M1A2 Service Gas Mask, Davis M-1

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