Italian Maschera Antigas I.A.C. M.31

The Italian Maschera Antigas I.A.C. M.31 was made of smooth dark brown rubber.  This example features a speech diaphragm/exhale valve incorporated into the hose, and was made by Industria Articoli Caoutchouc around 1933.

Maschera Antigas = "Gas Mask"

Industria Articoli Caoutchouc = "Rubber Articles Industry"

 

Similar masks in my collection:  Belgian M1931, Belgian M1934, Italian S.A.B. M33, Spanish M33

Rubber stamp
Rubber stamp

Manufacturer and model stamp on cheek "M.33 II (I.A.C. logo)"

Rubber stamp
Rubber stamp

Stamp on cheek "226651"

Stamps
Stamps

Stamps on ends of hose

Filter
Filter

Filter stamps top view

Filter
Filter

Filter date stamp bottom view "7-1936"

Filter
Filter

Filter stamp side view "T. 35"