Willson WIG Gas Mask
The Willson WIG Gas Mask used a black molded rubber facepiece similar in appearance to the U.S. M4-10A1-6 Lightweight Service Gas Mask. This example is equipped with a G718 permissible filter for use with Ammonia.
Manufacturer stamp on forehead "WILLSON MADE IN U.S.A."
Manufacturer stamp on head harness "WILLSON PRODUCTS INC. READING PENNA."
Stamp on head harness "ADJUST THESE STRAPS LAST"
Stamp on tip of head strap "FOREHEAD"
Stamp on tip of head strap "TEMPLE"
Stamp on tip of head strap "NECK"
Filter stamp top view "4"
Filter bottom view
Filter label side view "WILLSON PERMISSIBLE CANISTER FOR AMMONIA" "APPROVAL NO. 1425" "2-50" "This Canister is Designated as G718"