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-1749 - ESAW Vacuum or Pressure Apparatus Vacuum or pressure, the apparatus is a hand-operated device. It consists of a metal barrel with a piston and two nozzles for vacuum and pressure respectively. Can be used with vacuum plate PH36017

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.

SW-1785 - ESAW Slinky Spring with Stand Long slinky for superwave demonstrations. On stand with instructions.