"WardsSci000480"

Ideal for demonstrating that vapor pressure increases when temperature increases.

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A Classic!

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This free-running pulley features a rugged plastic sheave and deep V grooves.

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Smooth-running ball-bearing clamp pulley for use with inclined planes, force experiments, or demonstrations of work and machines, this durable, lightweight plastic pulley fastens to surfaces up to 18 mm thick.

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Individual spherical glass lenses.

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Choose high quality crown glass or shatter-resistant acrylic lenses.

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Economy Color-Coded Spring Scales

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A convenient design for AC and DC experiments up to 5 amps.

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Three Classic Simple Machines in One Kit.

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These wide range of mirrors are perfect for investigating real and virtual images.

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