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Various toys in rows , 1 ribbon, 2 toy boats, 3 trains, 4 lady...
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The equipment needed to make floor plans
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Circular Slide-Rule and Flight charts
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Model illustrating Curved, Non-Eucildean geomerty
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Diagram illustrating Pythagoras' Theorem that the area of the ...
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Isosceles Triangle
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Obtuse-Angled Triangle
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Right-Angled Triangle
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Model showing Spacetime distortion by Stars
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Model of Globe illustrating curved Geometry
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Ruler
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Computer data written on paper
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Babylonian, Roman, Hindu and Hindu-Arabis Number Systems
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Set squares, a calculator, compass, protractor and graph paper.
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A set of four light-bulbs, one of which is not going, set in g...
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A set of four light-bulbs, one of which is not going, set in s...
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A pair of hands twisting a strip of paper together to form a l...
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A strip of twisted red paper.
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Squares sub-divided into cubes
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A shape that displays pythagoras theorem
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