US$ 24.99
paired with an experiment guide
Glass tube 33 inches long with a cork piston riding on a stable wooden base
Pointed three-arm metal star on a 4mm socket pivot
gripping flasks and condensers up to 4
Eight 15 x 10 x 10cm pinhole boxes
Conical Conductor, 10 x 5cm Category_Glassware paired with an experiment guideTen centimeter brass cone on an ebonite insulator and metal base, demonstrating that electrostatic charge concentrates most densely at the tip where surface curvature is highest.
US$ 24.99
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US$ 135.00
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US$ 29.99
US$ 29.99
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US$ 130.00