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 electric kettle. 1926: Cameras have been made in Birmingham since 1880, by companies such as J. Lancaster & Son and in 1926 Coronet begin manufacturing cameras in the city. Coronet eventually mass-produce cheap, but affordable cameras. Coronet have close links with other Birmingham camera makers such as Standard Cameras Ltd (featured in the National Media Museum) and E Elliott Ltd, who manufacture the unique and now collectible V. P. Twin (featured in the Museum of early consumer electronics and 1st achievements). 1928: Brummie, Oscar Deutsch opens his first Odeon Cinema in nearby Brierley Hill. By 1930, "Odeon" is a household