"Shiv Dial Sud & Sons"
Flask Form Electroscope
This inexpensive device detects and estimates charges.
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Deluxe Loop the Loop
Instantly transform potential energy into kinetic energy.
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Bulb socket board
This solid socket board holds light bulbs for circuit experiments.
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Ball-Bearing Clamp Pulley
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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Pneumatic/Hydraulic Jack Set
This working model hydraulic/pneumatic jack shows how hydraulic or pneumatic systems can multiply forces.
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Moment of Force Apparatus
The Moment of Force Apparatus contains everything needed to study principles of mass, levers, moments, forces, and equivalence.
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Concave and Convex Mirrors, on Base
To explore light reflection and refraction properties of concave and convex mirrors, laws of reflection, image formation, the effects of surface curvature on reflection, spherical aberration, etc. Each mirror is securely held on a plastic base. The diameter of each mirror is approximately 95mm.
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Alnico Bar Magnets
Alnico bar magnets are useful for classroom or lab experiments.
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Standard Grade Qualitative Filter Papers
Qualitative Filter Paper is available in three standard grades.
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Component Holder
Makes hard to connect components easy to use in electrical circuits.
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Supertek® Acceleration Timers
Calculate acceleration, drag, and friction by measuring the interval between dots.