Showing 1–9 of 30 results

Adjustable Tuning Fork

Description :- Sliding weights on each prong of tuning fork can be adjusted to deliver tones at C-128, D-144, E-160, F-170.7, G-192, A-213.3 and B-240 frequencies.

Bell In Bell Jar

Description :-
An electric bell 3 – 6 V AC / DC suspended in a bell jar, fitted with rubber bung and connector terminals.

Bell Jar and Vacuum Pump Set

Description :-
Simple, innovative kit allows you to perform a number of experiments on vacuum and air pressure. The kit clearly demonstrates the method by which a pump works. Also illustrates that air has mass and helps find its mass and density. Explain the effect of surrounding air pressure on a sealed balloon. The balloon will expand when the surrounding air is removed. And also demonstrate that liquid boils at reduced temperature when the surrounding air pressure is reduced with instructions.

Digital Stroboscope

Description :- Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the two 4mm sockets mounted on the rear panel of the instrument. Example of the many applications of this unit are to be found in motion analysis multi exposures photography, examination of moving parts and measurement of rotational speed. Specifications:- Input Volts : 220V AC, 50 Hz Flash Rate: 0- 9999 Flashes per minute. Resolution : 1 Display: 7 Segment LED (4 nos.)

Hand Stroboscope

Description :- For use with ripple tank, simple form. A disc of 250 mm diameter with 12 equispaced slots and a finger hole, rotating on its axis, with handle.

Longitudinal Wave Demonstration

Description :- To study waves and to demonstrate compression, rarefaction, amplitude, wavelength, echoes, volume and pitch. Inexpensive model for creating longitudinal/compression waves by simply pushing a Slinky along a track. Includes instructions.

Music Tuning Fork Set

Description :- The high quality tuning fork set covers the octave from middle to high C. It consists of one each of 261.6C, 293.7D, 329.6E, 349.2F, 392G, 440A, 493.9B and 523.2. Set of eight with Activator.

Pipes, Resonance Demonstration

Description :- Set of eight copper pipes with tuning fork (256 Hz) to show how resonance tones can only be created from certain pipes. O-rings are attached to the ends of the pipes which protects the tubes from the drop. Includes Instructions.

Resonance Apparatus

Description :- Consists of a chrome plated brass resonance tube 100 cm long, brass reservoir 250 ml and a meter scale mounted on a metallic stand. With rubber tubing.