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QF 4 inch Mk XVI gun breech mechanism diagrams.jpeg

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Description
English: Diagrams showing breech mechanism open (left gun of pair, at left) and closed (right gun of pair, at right), of British QF 4-inch Mk XVI naval gun.
Date
Source

Plate 7 in B.R. 257. Handbook for the 4 inch Q.F. Mark XVI* Gun on the H.A. Twin Mark XIX And Single Mark XX Mountings. G3821/41 , July 1941.


Scanned by Historic Naval Ships Association. Downloaded from http://www.hnsa.org/doc/pdf/br257.pdf
Author Naval Ordnance Department, Admiralty, UK
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current01:23, 6 October 2011Thumbnail for version as of 01:23, 6 October 2011983 × 558 (140 KB)wikimediacommons>Rcbutcher{{Information |Description={{en|Diagrams showing breech mechanism open and closed, of British QF 4-inch Mk XVI naval gun.}} |Source=Plate 7 in B.R. 257. Handbook for the 4 inch Q.F. Mark XVI* Gun on the H.A. Twin Mark XI

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