File:RBL12pdr8cwtBarrel&BreechDiagram.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file ‎(1,000 × 312 pixels, file size: 85 KB, MIME type: image/jpeg)

Description
English: Diagram of barrel and breech of British RBL 12 pounder 8 cwt field gun.

This shows the "New Model" with the short 72-inch barrel.

  • A : Barrel inner tube : originally of wrought-iron; made of steel in later 72-inch barrels.
  • B, C, D : wrough-iron coils
  • E : Tappet-ring
  • L : Lever-ring
  • P : Breech-piece : forging of wrought-iron
  • S : Breech-screw
  • T : Trunnion ring
  • V : Vent-piece incorporating a right-angled vent.
  • a : Powder chamber
  • b : Shot chamber
  • c : Grip : narrowing of bore to force lead coating on projectile to engage with rifling grooves
Date circa 1871
date QS:P,+1871-00-00T00:00:00Z/9,P1480,Q5727902
Source

Figure 33, page 48-52 in "The Principles and Practice of Modern Artillery" by Lt-Colonel C.H. Owen, R.A. published by John Murray, London, 1873


Downloaded from https://archive.org/details/principlespracti00owenrich
Author artist not identified. Assumed from UK government.
Permission
(Reusing this file)

Crown Copyright expired (50 years)

Public domain
This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

  1. It is a photograph taken prior to 1 June 1957; or
  2. It was published prior to 1974; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

Deutsch ∙ English ∙ Español ∙ français ∙ italiano ∙ Nederlands ∙ polski ∙ português ∙ sicilianu ∙ slovenščina ∙ suomi ∙ Türkçe ∙ македонски ∙ русский ∙ українська ∙ മലയാളം ∙ 한국어 ∙ 日本語 ∙ 简体中文 ∙ 繁體中文 ∙ العربية ∙ +/−

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current12:59, 26 April 2011Thumbnail for version as of 12:59, 26 April 20111,000 × 312 (85 KB)Rcbutchercleanup background
06:10, 6 February 2009Thumbnail for version as of 06:10, 6 February 20091,000 × 312 (83 KB)Rcbutcherscaled to 1000pix, better for display
06:05, 6 February 2009Thumbnail for version as of 06:05, 6 February 20091,483 × 463 (84 KB)Rcbutcheruploaded a better image
09:09, 3 February 2008Thumbnail for version as of 09:09, 3 February 2008640 × 301 (39 KB)Rcbutcher{{Information |Description=Diagram of Barrel and breech of British RBL 12 pounder 8 cwt field gun. <br>Major Hall's caption : "Armstrong 12 pr 8 cwt RBL - Just forward of the hollow breech screw is the vent-piece, incorporating a right-angled vent." <br>F
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wikipedia.org/wiki/File:RBL12pdr8cwtBarrel%26BreechDiagram.jpg"