20-MM automatic gun M3
Series: Its Technical manual -- no. 9-229; War Department technical manual -- no. 9-229
Publisher: U.S. Govt. Print. Off.
Published: 1947
Place of publication: Washington
Language: eng
Number of pages: 245
Subjects: Machine guns -- Handbooks, manuals, etc.; Airplanes, military -- Armament -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: "Supersedes TM 9-229, 1 June 1944 ... and so much of TB ORD 330, 21 Nov. 1945, and TB ORD 340, 26 March 1947, as pertains to matériel covered in this manual."

"References": p. 236-237