Anti-tank gun breech ring

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/81

Hardness faces.

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/82

Hardness faces.

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/83

Hardness faces.

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/84

Hardness faces.

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/85

Hardness faces.

GM Holden Ltd, 18 February 1942, Photograph, BRG 213/207/4/86

Hardness faces.

Anti-tank gun breech ring [BRG 213/207/4/81-86] • Photograph