Switch No.10 Time Pencil.

INERT Switch No.10, Time Pencil. Widely used by SOE and special forces this delay action fuze was used in conjunction with a detonator or Bickford cord to set off explosives. This example has a black safety strip indicating an approx. 10 minute delay. The pencil was initiated by crushing the copper tube that shrouds a glass ampuole containing corrosive liquid. In good overall condition.
INERT
Available within UK only.

Code: 8665