British Army uniform and equipment in World War I It contained an inner can of explosive with an outer can of metal fragments or ball bearings. The fuses that were developed for the Jam Tin Grenade were activated by friction or a by lighted taper which was often replaced by a lighted cigarette. This was followed by the highly successful Mills bomb in 1915. It was oval in shape to fit into a clenched fist and time fused. The detonator was activated by a spring driven firing pin which was restrained by a lever that in turn was locked by a safety pin. The Mills bomb was a defensive
General-purpose bomb bombs. The 1000 lb MC was developed from 1942 to replace the existing 1000 lb GP (General Purpose) bomb. Initially using most of the components of the 1000 lb GP it was decided to give it a new tail and it was built with a half-inch thick wall. Fillings could be Amatex, Amatol, Minol, RDX and others. Actual weight was around 1020 lb (464 kg). It was introduced to service in 1943 and about a quarter of a million were produced by the end of the war. The Russian term for general-purpose bomb is "fugasnaya aviatsionnaya bomba" (FAB) and followed