Swedish Gasmask Typ 4






The Swedish Gasmask BICAPA Typ 4 was made of green rubberized canvas with two large glass eyepieces and painted metal hardware. The first two examples shown are equipped with BICAPA filters, and the third example is missing its filter and exhale valve assembly. These masks were made by Birger Carlson & Co. A.B. in 1941.
Gasmask Typ = "Gas Mask Type"
Similar masks in my collection: Swedish Typ 9, Swedish Typ 18

Manufacturer and date stamps on exhale valve cover "BIRGER CARLSON & Co. A.B. 'BICAPA' STOCKHOLM" "27 FEB. 1941" "V2 244 54"

Stamps inside mask "SVENSK TILLVERKNING" "Swedish Manufacturing"

Stamps inside mask

Date stamp inside mask "25.APR.1941"

Filter stamps top view

Filter stamps top view

Sealed filter bottom view

Filter side view

Pressed cardboard carrier for Bicapa Typ 4 top view

Pressed cardboard carrier for Bicapa Typ 4 side view

Size stamp "3"

Stamps inside mask "SVENSK TILLVERKNING" "Swedish Manufacturing"

Stamps inside mask

Date stamp inside mask "25.APR.1941"

Filter stamps top view

Filter stamps top view

Partially sealed filter bottom view

Filter side view

Pressed cardboard carrier for Bicapa Typ 4 top view

Pressed cardboard carrier for Bicapa Typ 4 bottom view

Pressed cardboard carrier for Bicapa Typ 4 side view

Size 3

Manufacturer and size stamps inside mask

Stamps inside mask

Stamp inside mask "SVENSK TILLVERKNING" "Swedish Manufacturing"

Date stamp inside mask "25.APR.1941"

Pressed cardboard carrier for Bicapa Typ 4 top view

Pressed cardboard carrier for Bicapa Typ 4 side view


Package containing lens inserts for BiCapa Typ 4 dated 1940

Package containing lens inserts for BiCapa Typ 4