Word: trunnions
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Dates: during 1940-1949
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Pound or Pour? Sample military gadget is a machine-gun trunnion block, on which the gun swivels. When it is forged, i.e.., pounded, into rough shape out of a hot chunk of steel, it weighs 20 lb. In machining the block into shape, 14 lb. of steel is drilled, planed and ground away before the crude lump becomes a finished 6-lb. trunnion block...