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
Economy of Birmingham countries around the world. Birmingham was second only to London for the creation of new jobs between 1951 and 1961, and unemployment rarely exceeded 1% between 1948 and 1966. By 1961, household incomes in the West Midlands (county) were 13% above the national average, exceeding even London and the South East. However, the incoming Labour government of 1964 sought to control what it saw as a "threatening situation", most notably by extending the Control of Office Employment Act 1965 to the Birmingham conurbation in 1965. Birmingham's economic landscape had suffered significantly as a result, but since then much of the