Simpson Lever Chain
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Mechanical Advantage The Power
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Equilibrium Of Solids, C1850
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The New Junction, 1888. Artist Joseph
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The Princess Of Wales Launching The New
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Archimedes C287-212 Bc, Ancient Greek
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The Vetterli Magazine Rifle, 1884
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The Scapegoat, 1854-56, 1911
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Fire Engine, From Isaac De Caus
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Winchester Magazine Gun, 1884
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The Spencer Magazine Gun Used
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The Drowsy Pointsman, 1876. Artist
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Macmillans Lever-driven Bicycle, 1
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