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Seed Drill
A seed drill is a device that sows the seeds for crops by metering out the individual seeds -
steam engine
A steam engine is a heat engine that performs mechanical work using steam as its working fluid. -
steam bout
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cotton gin
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steam train
A steam locomotive is a railway locomotive that produces its pulling power through a steam engine. -
Telegraph
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1st telephone made
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model T
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asembely line
this day in 1913, Henry Ford installs the first moving assembly line -
first us highway