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
Interstate 70 in Maryland for the latter interchange, MD 75 was relocated east of New Market. The existing interchanges at MD 32 and MD 97 were converted from two-way connector ramps to diamond interchanges. I-70's interchange with MD 27 was expanded from a four-ramp partial cloverleaf to a six-ramp partial cloverleaf in 1977. Exit numbers were added east of Frederick in 1978; however, these exit numbers were each 2 less than the present numbers, which were marked in 1983. I-70 was relocated away from the original alignment of US 40 between its junctions with MD 144 in Frederick and Bartonsville around 1987; the old