Updated 15 December 2013

Port side of HMS Hood showing a 4"/45 (10.2 cm) Mark V
In the lower right corner is one of the 4" (10.2 cm) ready ammunition boxes

4"/45 (10.2 cm) guns on HMAS Sydney ca. 1940
State Library of Victoria Image H98.105/3249

Forward 4"/45 (10.2cm) gun on HMS Weston
IWM Photograph A 1952

HMS York
4"/45 (10.2 cm) Mark V in HA Mark III mounting
Airship is USS Macon (ZRS-5), passing over HMS York near San Diego, California
Photograph copyrighted by Mrs. Josephine Burston and used here by her kind permission

4"/45 (10.2 cm) Mark V gun in Mark III** mounting
Note the manual fuze setter sitting on the platform with a fuze setting tool in his hand
The large "pie plate" at the upper right is part of the HA gun sight
IWM Photograph

4"/45 (10.2 cm) Mark VC gun under constructon at the Dominion Engineering Works plant in Canada
National Film Board of Canada
Library and Archives Canada Photograph 3196181

4"/45 (10.2 cm) Mark VC guns under constructon at the Dominion Engineering Works plant in Canada
National Film Board of Canada
Library and Archives Canada Photograph 3196182

Mark XV:  See photographs 4819, 4820, 4821 and 4833
Photograph 4833 is incorrectly identified as a 4.7" (12 cm) mounting

Picture of 4"/45 (10.2 cm) Mark V gun on HMAS Australia
Search via "EN0009"

16 June 2012 - New datapage
15 December 2013 - Added photograph of HMS Weston