Word: caterpillar
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Dates: during 1940-1949
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...airplanes fly faster & faster, bailing out gets harder & harder. The airstream, pouring past the plane at 500 m.p.h., smacks the would-be "caterpillar" with the force of a padded pile driver. If he survives this blow, he runs the risk of being slammed against the tail surfaces...
...Manhattan's East Side one day last week, a 2,000-lb. steel ball swung from a towering caterpillar crane, smashed into the base of a brick wall. Bricks and girders came thundering to earth in a billowing cloud of pink dust. The building under demolition was one of the last five remaining on the site of U.N.'s future headquarters...
Both Joy and Pittsburgh Consolidation tried to keep all details top secret, but some leaked out. The "Joy Continuous Miner," as it is called, is under 25 feet long, weighs less than 20 tons and moves on caterpillar treads. It has powerful cutting arms which first dig into the face of a seam at floor level, then cut their way up to the roof. As it is cut and broken, a conveyer system carries the coal back over the machine directly into cars, in which it is hauled to the surface...
Early one morning last week, Farmer Frederick Henry Dennis, 34, looked out over his 1,000-acre farm at Poslingford Hall, Suffolk. He saw a strange young man drive a big caterpillar tractor into a 20-acre field of ripe buckwheat and calmly begin to plow in the precious crop. Dennis ran towards him, cursing and shouting...
...Wells's The Land Ironclads (1903) tells of a machine resembling a cross "between a big blockhouse and a giant's dishcover" clanking over trenches on caterpillar-like feet, firing automatic weapons as it goes. Tanks were first used at the battle of the Somme...