Finland High-Pressure M-1 Helmet Liners
In early 1944 the Army chose to redirect the efforts of the Inland Manufacturing facility away from liner production in order to focus on other forms of manufacture deemed more critical to the war effort.
WWII M-1 helmet liners made by the High-Pressure Method
Seven companies adopted the high-pressure method. Each company was required to have a mark molded into the interior crown to identify each mold cavity along with a symbol to identify the manufacturer.
International Molded Plastics, Inc.
High-pressure method M-1 helmet liners
What exactly is the “little man” mold in mark inside these liners supposed to be?
