Comprising a wooden resonance box of 114 cm length, 12.5 cm width and 10 cm height, with two rules 1 meter long sub-divided into millimeters. One each brass and steel wire of different diameter attached to fixed bridge and tensioned by fine adjustment pegs, two moveable bridges, pulley and fixed ...

Best quality, plain shanks, with frequency clearly marked. Set consisting one each of diatonic scale frequencies (Hz) C1-(256), D- (288), E-(320), F-(341.3), G-(384), A-(426.6), B-(480), C2-(512). Complete set of 8 tuning forks, supplied in a case. 

Best quality, plain shanks, with frequency clearly marked. Set consisting one each of diatonic scale frequencies (Hz) C1-(256), D- (288), E-(320), F-(341.3), G-(384), A-(426.6), B-(480), C2-(512). Complete set of 8 tuning forks, supplied in a case. 

A specially designed versatile apparatus for the investigation of the wave properties, such as wave propagation, reflection, refraction, diffraction and interference. Permits demonstration with an overhead projector or use as a free standing bench model, allowing investigations to be carried ...

SW-1703 - ESAW Bell jar and Vacuum Pump Set A simple, innovative kit allows you to perform a number of experiments on the 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 eff...

SW-1758 - ESAW Bell In Bell jar An electric bell 3-6 volts ac/dc suspended in a bell jar, fitted with rubber bung and connector terminals.

SW-1767 - ESAW Wire Helix To illustrate wave motion. Flat section steel wire in the helical coil.

SW-1776 - ESAW Plastic SlinkyEasier to handle as it does not tangle. Size 63 mm diam. x 65 mm length.

ESAW Power Supply Unit (SW-2004)For use with ripple tank, to operate both the rippler motor and the illuminate. Output 12 V A.C. max 24 W for illuminate and 0 to 6 V D.C. variable for rippler motor. Operates from 240 V A.C. mains.