TUNING FORK SET, 8 PIECE STANDARD DIATONIC, CARDBOARD BOX

Item 7020-39

In Stock

This economy aluminum tuning fork set comes in a wooden storage box. Each fork has a place in the foam lining, die-cut for easy storage. These forks are useful to demonstrate the energy and vibration of sound.
• A striking mallet with 1 hard and 1 soft end is included
• Sold in a set of 8
• Includes 1 each of the following frequencies: 256, 288, 320, 341, 384, 426.6, 480, 512 Hz

Item 7020-40

In Stock

This Concert Pitch or Physics Scale Tuning Fork Set comes in a high-quality wooden box. These equally tempered tuning forks are based upon the A note (440 Hz) above middle C (261.6 Hz). They are useful for teaching the physics of music.
• Includes a striking mallet with 1 soft and 1 hard end
• Includes 1 each of the following frequencies: C – 261.6 (7.25″ L, handle is 1.75″), D – 293.7 (7″ L, handle is 1.75″), E – 329.6 (6.75″ L, handle 1.75″), F – 349.2 (6.5″ L, handle is 1.75″), G – 392 (6.33″ L, handle is 1.75″), A – 440 (6″ L, handle is 1.75″), B – 493.9 (5.75″ L, handle is 1.75″), C – 523.2 (5.5″ long, handle is 1.75″)

Item 7020-60

In Stock

This set of 8 tuning forks comes in a Styrofoam box. The tuning forks are individually constructed of forged steel. Each fork is stamped with the musical scale note sounded by the fork and the frequency in Hz at the base of the tine.
• Chrome-plated
• Includes frequencies: 256, 288, 320, 341.3, 384, 426.6, 480, and 512 Hz
• Plain shank form
• Can also buy tuning forks separately
• Lengths vary

Item 3620-00F

In Stock

TUNING FORK SET, 10 PIECE STANDARD WITH MALLET, WOODEN BOX

Item 7020-10

In Stock

This economy aluminum tuning fork set comes in a wooden storage box. Each fork has a place in the foam lining die-cut for easy storage. These forks are useful to demonstrate the energy and vibration of sound.
• A striking mallet with 1 hard and 1 soft end is included
• Sold in a set of 13
• Includes 1 each of the following frequencies: 100, 128, 256, 288, 320, 341, 384, 426.6, 480, 512, 1024, 2048, 4096 Hz

Item 7020-50

In Stock

Demonstrate the principles of color mixing with this set of 18 clear, colored plastic paddles.
• Comes with a Teacher’s Guide
• 3 packs of 6 colors

Item 9994-18

In Stock

ACCESSORIES FOR OPTICAL DISK HARTL, SET/7, WOODEN BOX

Item 3358-05

In Stock

This set consists of 3 drilled, aluminum tuning forks, tethering cord, and a rubber striking mallet. It effectively demonstrates the change in pitch as the vibrating tuning forks are whirled toward and away from user. The set is great for physics demonstrations and experiments.
• Comes with a Teacher’s Guide

Item W-0055

In Stock

NEUTRALISING LENS SET, GLASS

Item 3315-00

In Stock

This item serves as a combination tuning fork set that allows 2 demonstrations. Without the weights, 1 fork responds to the vibrations of the other, illustrating sympathetic vibration at distances. With the weights, 1 fork can be tuned 1 or more cps different, and both, when struck, will produce beats of startling clarity.
• Rubber ball mallet included
• These are extra heavy (1.25″ or 32 mm wide) chromium-plated steel 440 Hz tuning forks mounted on hardwood resonance boxes

Item 7120-90

In Stock

These rods are a must for explorations involving sound waves. They provide an easy way to demonstrate longitudinal waves, and show how they differ from transverse waves. The rods are also ideal for teaching about nodes and anti-nodes in standing waves.
• Sold as a set of two
• 20″ L/30″ L
• Comes with a Teacher’s Guide

Item 3637-01

In Stock

These forks are useful to demonstrate the energy and vibration of sound. Acoustics engineers and physics teachers use these multiples to simplify calculations and tonal measurements. They are a great addition to classrooms as well as labs.
• Sold in a set of 4
• Made of non-tarnishing aluminum
• Calibrated C125, E250, G500, and C1000

Item 7120-00

In Stock

This set is for showing the most important types of lenses. They are 2″ (50 mm) Dia., optically true with ground glass edges. The set includes one each of concave, convex, double concave, double convex, plano concave, and plano convex lens arranged in a foam lined plastic box.
• Sold in sets of 6

Item 3313-02

In Stock

Use these mirrors to illustrate the principles of reflection to students. Their small size means they are easy to handle and manipulate.
• Sold in a pack of 8

Item FRE-12

In Stock