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1 Kg Weight pulled up a Steep Slope by Newton Meter.
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1 Kg Weight pulled up a Slope by a Newton Meter.
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Physics Experiment with Newton Meter and 1Kg Weight.
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Two weights sliding down sloping surface one with oil showing ...
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Red trolley pulled up slope by a pulley showing a reduced forc...
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An ellipsograph
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Toppling over.
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A drawing of a pyramid of acrobats
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A piece of equipment for measuring gravity
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A gyroscope swinging it's pole to the left
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A right tilting piece of machinery
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An early 20th century navigational device
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A diagram of the forces of gravity
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Caption describing equipment used by J Y Buchanan.
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Hand written note by J Y Buchanan.
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An Orrery pointing at the 5th of August
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Relative Gravity between Moon and Earth is caused by Size
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Egg and Rock falling through Air and finally striking Ground
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A yelllow lever balanced on a green fulcrum with eight and fou...
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Artwork of planet Saturn and a moon with a red arrow and black...
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