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Sale
PH Test Paper, Range 1-14, Package of 80
$1.99 $1.79 -
Sale
Photogate Digital Timer, 4 Digit w/ 2 Photogates
$199.95 $159.95 -
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Pith Ball Electroscope
$7.99 -
SaleOut of stock
Planck's Constant Experiment Apparatus, European 220/240 VAC Model
$1,099.00 $929.49 -
Sale
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Sale
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Out of stock
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