Image:QF1pounderFuzeDiagram.jpg

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Description

Diagram of Mk I percussion nose fuze for British QF 1 pounder explosive shell.
Height approximately 28 mm, width 22 mm (widest), 10.5 mm (narrowest).
Action : On shock of discharge, the split collar sets back over the pellet, thus unmasking the detonator; on impact the pellet and collar are thrown violently forward and the needle pierces the detonator, thus firing it. The flash from the detonator and powder in the pellet passes through the fire-hole and ignites the bursting charge in the shell.
Source

Figure 78, page 281 in "Treatise on Ammunition" 10th Edition 1915.
Facsimile reprint by Imperial War Museum and Naval & Military Press, 2003
Date

details correct as at 1 August 1914
Author

War Office, UK
Permission
(Reusing this image)

Crown Copyright expired (50 years)

Public domain This artistic 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 created by the United Kingdom Government and taken prior to 1 June 1957; or
  2. It is a photograph or an engraving created by the United Kingdom Government and commercially published prior to 1958; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created by the United Kingdom Government prior to 1958.

More information. See also Copyright, Crown copyright artistic works and HMSO Email Reply.

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current09:58, 20 April 2008868×800 (89 KB)Rcbutcher ({{Information |Description=Diagram of Mk I percussion nose fuze for British QF 1 pounder explosive shell. <br>Height approximately 28 mm, width 22 mm (widest), 105 mm (narrowest). <br>Action : On shock of discharge, the split collar sets back over the pel)
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