This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Elswick Disappearing gun and carriage in factory. Photograph showing inch Mk IV or VI gun on Elswick disappearing mounting in the Royal Carriage Factory The gun appear to be Mk IV or VI inch gun scanned by Steve Johnson from The Navy and Army Illustrated Downloaded from Steve Johnson's cyberheritage website at cyberheritage co