Swiss B-Maske

The Swiss Schenk B-Maske was a helmet type mask made of green rubber.  It featured two round glass eyepieces, an elongated snout, and a cheek-mounted exhale valve.  It was for civilian use.  This example was made by Schenk around 1930.

Maske = "Mask"

 

Similar masks in my collection:  German VM 37, Latvian VEF 39, Dutch Veritex, Swiss SM64, Finnish M39

Rubber stamp
Rubber stamp

Model stamp under chin "B-1"

Stamp
Stamp

Stamps on cheek "M" "B0013"

Exhale valve
Exhale valve

Metal exhale valve cover

Filter
Filter

Filter stamps top view "2T 8" "SCHENK"

Filter
Filter

Filter with plug bottom view

Box
Box

Cardboard box top view "B=1" "Schenk"