Chief of Ordnance Office, 1984. – 54 p.
Being the chronological record of procurement of manufacturing rights by the United States Government; of cooperation between the Army and Navy in purchasing it and then coordinating production for both services; of facilities chosen to make its components, and their contributions toward its improvement; of its perfection under American mass production methods; and of the numerous attempts - successes and failures - to adapt it to many combat uses. Appended are tables of production through 31 December 1943 and a table of price reductions on the gun's principal components.