"Shiv Dial Sud & Sons"
Differential and Sympathetic Tuning Forks
These large alloy tuning forks are designed to demonstrate resonance, beat frequency, and sympathetic vibration.
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Supertek® Rotating Platform
Educators demonstrate experiments in angular momentum and rotational kinetic energy with the Rotating Platform.
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Specific Heat Specimens Set
The Specific Heat Specimens Set can be used to determine the specific heats of a variety of common metals.
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Reading Glass Magnifiers
Glass lenses mounted on metal frames with bakelite handles.
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Supertek® Monkey and Hunter Demonstration
Demonstrate the independence of the horizontal and vertical components of projectile motion.
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Newtonian Demonstration
The large size of the Newtonian Demonstration makes a big impression and helps explain the theory.
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Quantitative Electroscope
Electrostatic charges are indicated by the deflection of a black plastic straw pivoted on a pin. The polished zinc plate on top is used to demonstrate photoelectric effect and various other electrostatic demonstrations. The metal case measures 14 cm in diameter. The scale is graduated in 10° increments in two quadrants.
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Standard Bunsen Burners
These standard Bunsen burners are practical and economical.
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Support Stands with Rods and Rings
A Convenient Method of Purchasing Both Rings and Supports
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Speed of a Bubble Set
The Speed of a Bubble Set connects the mathematical concept of slope to the physical science concept of velocity.




