Reproduction of a trench improvised explosive device in a milk tin, and a similar manufactured double cylinder grenade
|Place of origin||United Kingdom|
|In service||1915 -|
|Variants||No 8 'Light', No 9 'Heavy'|
|Filling||Ammonal + Steel fragments|
|Timed Friction Fuse|
The Double Cylinder was one of the many grenades designed for British use in the early part of the First World War in response to the failings of the No 1 grenade.
The grenade was an inner can of explosive with an outer can of metal fragments or ball bearings. The heavier pattern No 9 grenade contained more high explosive and more metal fragments.
The fuse was ignited by a friction device or a cigarette.
Initially when demand for grenades was at its greatest, engineers were encouraged to improvise their own grenades from the tins containing the soldier's ration of jam, hence the name. Incidents with the improvised form and the supply of superior grenades led to official withdrawal of the design.
Notes[edit | edit source]
Jam Tin Grenades were used as booby traps by retreating British Soldiers which was done by rigging the Jam Tin to a pressure trigger and leaving it under a body or other heavy object to keep it unarmed until it was disturbed.
References[edit | edit source]
- Wintirngham, Tom (2 March 1940). "Shells and Grenades".
[edit | edit source]
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