40 mm Antiaircraft Gun
Navy Department Bureau of Ordnance | 1943 | ISBN: N/A | English | 175 pages | PDF | 47.5 MB
Navy Department Bureau of Ordnance | 1943 | ISBN: N/A | English | 175 pages | PDF | 47.5 MB
Ordnance Pamphlet No. 820.
Description and operation: 40mm Machine Gun Mechanism Mark 1; 40mm Machine Gun Mechanism Mark 2; 40mm Machine Gun Mechanism Mark 1 Mod. 1; 40mm Machine Gun Mechanism Mark 1 Mod. 2; 40mm Gun Barrel Mark 1; 40mm Sight Mark 3; 40mm Sight Mark 4.