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Description

Diagram of British Hand Grenade No I Mark I.
Body is made of solid drawn brass, cylindrical. Around the body is a cast-iron ring which is intended to break up on detonation of the charge.
Bursting charge is 4 oz 2 drams Lyddite.
The weight of the cast-iron ring causes the grenade to fall nose-first, which causes the needle in the cap to be driven into the detonator, which contains 30 grains Fulminate of Mercury, and ignite the Lyddite charge.
The cap is set to position "Remove", "Travel" or "Fire".
Handle is of cane approximately 16 inches long.
To prepare the grenade :

  • Turn cap to right until word "remove" is opposite arrow painted on body, and remove cap.
  • Place detonator into recess
  • Replace cap

To throw the grenade :

  • Unwind tail and allow to hang loose
  • Turn cap from "travel" to "fire" position
  • Remove safety pin
  • Grasp grooved end of cane handle and throw grenade either over or underhand, taking care not to entangle the tail. Grenade should be thrown upwards at an angle of at least 35°. This facilitates the grenade striking the ground near vertically.
Date as at 1 August 1914
Source

Plate XLIII and Page 264-265 in "Treatise on Ammunition" 10th Edition 1915.

Facsimile reprint by Imperial War Museum and Naval & Military Press, 2003
Author War Office, UK
Permission
(Reusing this file)
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.

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current12:05, 14 June 2008Thumbnail for version as of 12:05, 14 June 2008585 × 1,000 (107 KB)Rcbutcher{{Information |Description=Diagram of British Hand Grenade No I Mark I. <br>Body is made of solid drawn brass, cylindrical. Around the body is a cast-iron ring which is intended to break up on detonation of the charge. <br>Bursting charge is 4 oz 2 drams

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