Mechanical Advantage The Power
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Jean Bernoulli, Swiss Mathematician
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Jean Bernoulli, Swiss Mathematician #1
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Archimedes C287-212 Bc, Ancient Greek
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A Dandy-horse Or Draisienne Of The Type
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Leon Edouxs Elevators Lifts
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Equilibrium Of Solids, C1850
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Round Mill, 1751-1777
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Improved Balance To Weigh 2000 Ounces
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Baron Von Draiss Bicycle Draisienne
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A Dandy-horse Or Draisienne Of The Type #1
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Hints To Motorists, 1906. Artist Harold
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Leon Edouxs Hydraulic Passenger Lift
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Oval Mill, 1751-1777
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Elevator Lift By Siemens And Halske
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Cottons Patent Automaton Balance
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