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An array of World War 2 pencil detonators displayed at the Museum of the British Resistance Organisation at the Parham Airfield Museum, 2007. A pencil detonator or time pencil is a time fuze designed to be connected to a detonator or short length of safety fuse. They are about the same size and shape as a pencil, hence the name.
The pencil bomb attacks were used in multiple acts of state-sponsored terrorism [citation needed] by Imperial Germany during World War I. The pencil bombs were a type of incendiary time bomb . It was designed by German chemist Walter Scheele and used by German field agent Captain Franz von Rintelen of the intelligence wing of the German ...
Time pencil- a time fuse designed to be connected to a detonator or short length of safety fuse. Also referred to as "Switches". Lead Delay Switch ("Switch No. 9") - a more precise timer using the mechanical creep of a lead alloy for its operation. M Mine – anti-personnel weapon in a cardboard body; detonated when trodden on. Kangaroo bomb.
A disadvantage of the Lewes bomb was that the detonators could be unreliable; several raids failed when their pencil-detonators were rendered unusable by heavy rain. [4] The timing of the detonators could also be affected by the desert heat; after a raid in December 1941 one party reported the 30-minute time pencils had detonated in just 18 ...
The pencil detonator consisted of a thin copper tube containing copper chloride that would take about ten minutes to silently eat through wire holding back the spring-loaded firing pin from the percussion cap. This mechanism provided a time delay for detonation, without any telltale ticking of a clockwork mechanism or smell from a burning fuse.
Devices which should fire in sequence can be branched from a single master fuse, consisting of quick match spliced onto Visco fuses of various length for time delays. A visco fuse has a core of black powder with one or more textile overwraps. The outer layers may be coated with wax or nitrocellulose lacquer for water resistance.
President Biden says the New Orleans attacker acted alone, and had a remote detonator for explosives before driving a pickup truck into a crowd of people, killing 14 and injuring 35 on New Year's Day.
Production also included over 12 million No. 10 Time Delay pencil detonator and 38,500 Type 6 Limpet Mines, both made to original Aston House designs. [7] Quality Control, Packaging and Dispatch was continuous and included supplying all the Home Guard Auxiliary Units and the Resistance Groups in Europe, reaching a peak around D-Day. [6]