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
Science and invention in Birmingham Berners-Lee, a mathematician and computer scientist from Birmingham, works in the team that develops the Ferranti Mark 1, the world's first commercial stored program electronic computer. Berners-Lee is demobilized from the British Army in 1947 with the rank of Major. By the late 1960s Berners-Lee leads the Medical Development Team of ICT and then ICL and is involved in some of the earliest developments in the applications of computers in medicine, and his text compression ideas are taken up by an early electronic patient record system. Berners-Lee later marries Mary Lee Woods (also from Birmingham). Woods studies at Birmingham University