Polte drawings of experimental iron core (mE) bullets and the
early evolution of the standard mE bullet and related cores
from 1937 through 1941 and include a drawing of the mE load
dated 1943.
early evolution of the standard mE bullet and related cores
from 1937 through 1941 and include a drawing of the mE load
dated 1943.
An early core design from 1937
Two core designs from 1938
Evolution of the final mE core design from 1939