"Shiv Dial Sud & Sons"
Flask Form Electroscope
This inexpensive device detects and estimates charges.
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Ten Specimen Density Set
This set features a handy, economical selection of density cubes.
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Density Identification Set
The Density Identification Set is ideal for an investigation lab.
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Acrylic Refraction Cube
Ideal for Index of Refraction and Total Internal Reflection Experiments
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Steel Horseshoe Magnet
Classically styled chrome steel magnets are large, easy to work with and affordably priced.
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Prisms
Clear, Short Prisms for Index of Refraction and Dispersion
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Bulb socket board
This solid socket board holds light bulbs for circuit experiments.
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Pneumatic/Hydraulic Jack Set
This working model hydraulic/pneumatic jack shows how hydraulic or pneumatic systems can multiply forces.
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Plastic Policemen
This is polypropylene rod with flexible ends, one triangular, one square.
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Stainless Steel Spatula
This spatula has a flexible, stainless steel blade with a round end.
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Alnico Bar Magnets
Alnico bar magnets are useful for classroom or lab experiments.
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Tuning Fork Set
Both versions of these economy tuning fork sets come with a mallet designed for one hard and one soft end for use with all frequencies of forks.




