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Waves and Sounds

Electric Tuning Fork

Description :-
A heavy steel fork of about 60 vibrations per second is mounted on a heavy cast iron base. The electromagnet is adjustable so that the amplitude of vibration may be varied between wide limits. Complete with mirror for Lissajou’s figures experiments.
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Pair Of Tuning Forks

Description :-
A pair of tuning forks mounted on individual resonance boxes, with one fork fitted with sliding mass to demonstrate beats. Changing the position of the boxes and the slider mass allow different frequencies and beats to be heard. Complete with hammer.
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Powell’s Wave Machine

Description :-
For demonstrating the movement of progressive transverse waves. Comprising 22 small bails on wire rods, with eccentric motion attachment, driving handle and fitted on polished wooden base.
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Resonance Apparatus With Stand

Description :-
Investigate the length, frequency and velocity of sound waves by studying the resonance of air columns. We attach a movable container to a 80 cm long transparent tube that is mounted on a stand. Fill the container with water and strike a tuning fork above the top of the tube. The reverberated tuning fork becomes louder or softer depending on the location of the water. Tuning fork not included.
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Spring Helical

Description :-
For demonstrating transverse and longitudinal wave motion. The spiral measures 20mm diameter x 3m closed length.
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Spring Slinky

Description :-
Excellent for wave demonstration experiments. A flat sectioned helical spring, diameter 75mm.

-01 Closed Length 110mm.
-02 Closed Length 165mm.

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Thermocouple

Description :-
A simple junction of soldered wires, one each of copper and constantan 50cm long. Each wire is coiled for easy use.
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Tuning Fork Block

Description :-
Made of hardwood. Size 30x9x5 cm with two rows of 10 holes each for standing tuning forks. Polished and lacquered. (Without Forks)
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Tuning Fork Set

Description :-
Set of eight tuning forks made from aluminium alloy. Consists of C(256), D(288), E(320), F(341.3), G(384), A(426.6), B(480), C(512).
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Tuning Forks On Resonance Box

Description :-
A set of four tuning forks, C(256), E(320), G(384), C(512), mounted on a polished wooden resonance box. Provided with a hammer.
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Vibration Generator With Spring

Description :-
This device produces a low frequency mechanical oscillation with a range of 0.5 to 5000 Hz. Mount springs, chladni plates or cords to learn about oscillations and resonance. 90 x 90 x 100 mm. 15 W. You need wave function generator, not included.
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Wave Motion Demonstration Apparatus

Description :-
For demonstrating longitudinal and transverse motions. Consisting of a number of eccentric discs supporting a series of metal rods. On revolving the handle, transverse waves are obtained. Longitudinal waves are obtained with bent rods running in a metal guide.
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