Handbook and drill for 20mm Oerlikon machine gun Marks II, II U.S.N. and IV U.S.N. on Marks I, IIA, IIIA, IV U.S., V U.S., VIIA and VIIIA mountings

Publisher

Admiralty. Gunnery Branch Type Monograph/Item

Place of publication

London

Date of publication

1943

Reference

RAL 25085

Volumes

B.R. 274/43

Note

Reprinted June 1944 incorporating amendments nos. 1 to 7