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Replacement Belt for Van De Graaf Generator 1

$17.95

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Replacement Belt Set (2) for Economy Wimshurst Machine

$7.99 $6.99

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Replacement Belt Set (2) for Vanguard II Wimshurst Machine

$8.99

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Replacement Bulb for Planck's Constant Apparatus

$18.75 $12.95

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Replacement O-Rings for Air Compression Ignitor, Package of 4

$1.99

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Replacement Phototube For Planck's Constant Apparatus

$124.95

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Replacement Wires and Bulb for SS4444 Hand Generator

$6.99 $4.79

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Reptile High Range Thermometer, 68F to 104F, Water Resistant with Adhesive Backing,

$2.49 $1.99

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Resonance Apparatus

$139.95 $96.95

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Ripple Tank, Compact

$229.95 $105.95

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Sci-Supply #00 Solid Rubber Stoppers, NO Holes, 1-lb Package @90

$29.95 $22.80

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Sci-Supply AA Alkaline Battery 2-Pack

$0.99 $0.75

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