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File:QF 4.7 inch Armstrong gun barrel and breech diagrams.jpg

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Description
English: Diagrams showing barrel construction and dimensions, breech mechanism and electric and percussion firing lock, of British QF 4.7-inch gun in US service.

Nomenclature :

  • D : stop bolt
  • F : safety lever
  • F2 : spindle
  • J : trigger
  • K : retaining nut to secure firing pin to carrier
  • L : operating lever
  • M : spring catch
  • M1 : notch in the block
  • N : sliding block
  • N1 : link
  • P : carrier
  • P1 : projecting pin
  • P2 : traversing bushing
  • R : lug on rear end of firing pin
  • S : plunger
Date
Source Instructions for mounting, using, and caring for 4.72-inch gun, Armstrong 40 caliber, on barbette carriage, Armstrong. 1904, 1908, 1911. Washington, Government Printing Office, 1917
Author Ordnance Department, USA
Permission
(Reusing this file)
Public domain
This file is a work of a U.S. Army soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.

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current09:35, 16 October 2016Thumbnail for version as of 09:35, 16 October 20162,000 × 1,273 (315 KB)Rcbutcher (talk | contribs)
09:19, 16 October 2016Thumbnail for version as of 09:19, 16 October 20161,600 × 1,019 (230 KB)Rcbutcher (talk | contribs){{Information |Description={{en|Diagrams showing barrel construction and dimensions, breech mechanism and electric and percussion firing lock, of British QF 4.7-inch gun in US service.}} |Source=[http://handle.slv.vic....

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