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Two speed fan for use with physics experiments.

Even frequencies make harmonic relationships clear and calculations easier.

Closely wound steel helix for studying wave behavior.

Long, pure sounding aluminum tuning forks.

Perfect for leveling ripple tanks, before filling with water, this circular spirit level is enclosed in a chrome plated brass case.

A must for explorations of sound and waves.

A must for your optics lab!

Take the classic resonance box to a whole new level.

Reliable and User Friendly

Airtight chamber reveals how sound disappears without air.

Designed for Physics and Physical Science experimentation.

Includes set of six tuning forks: 125, 250, 500, 1000, 2000, and 4000 Hz.

Produces a Louder Tone With a Greater Range of Audible Overtones

This aluminum tuning fork has sliding weights on each tine.

Create waves and signals quickly and easily.