Steps of truck manufacturing, at a General Motors factory in Pontiac, Michigan, USA. Workers at a factory work for casting engine block of a truck. Mould of engine poured with molten metal. When casting has set, the chain pulley crane lifts the engine so formed. Smoothening and reaming for cylinders of engine with various machines. Cylinder walls cast, then machined for uniform thickness on lathe machine. Worker fixes cylinder walls with engine housing.
Various steps of truck assembly operations, at a General Motors factory in Pontiac, Michigan, United States. Chassis and shaft of a truck. Universal joint and the combination gauge of truck. Workers work with machines to check perfection of these. Universal joint compared with that of a car. Rear axle checked for sturdiness by a worker. A worker then compares it with that of a car.
Various steps of General Motors truck final assembly and quality check processes, at a factory in Pontiac, Michigan, United States. View of truck frames on busy assembly line with General Motors workers. Fixing chassis and engine dropped by conveyors. Radiator, gears and meters fixed. Quality check measures and gas and oil consumption record taken. Worker does final inspection.
Workers crate finished gun mounts for 20mm Oerlikon guns at General Motors plant in Pontiac, Michigan. Naval officer and shipping foreman inspect mounts to be crated. Workers board up crates of mounts. Workers on gun barrel production line, rough turning barrels before bore is drilled. Rough-turned barrels on conveyor, barrels put on lathe for turning. Workers at machine drill bores. Drilling machines with truck of barrels in the background. Worker at drilling machine. Views of workers at chambering machines. View of Gun testing range, naval officer and plant superintendent examine gun mechanism during test firing. (World War II period).
Workers enter General Motors Plant, Pontiac in Michigan. Overhead World War II United States propaganda sign reads 'This is Our Busy Day War's Working for Uncle Sam'. Exterior of the Plant shows flag pole with 'E' pennant and Ordnance flag. Automobiles parked in the compound.
Government inspector makes final check of gun at General Motors Plant in Pontiac, Michigan. Navy anchor stamped. Rout tag. Officer and inspector stand near completely assembled gun and mount. They examine blueprint and point to gun parts.
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