Slinky Spring With Stand

Description :- Wooden baseboard 690 x 90 mm on four feet. At one end are two 50 N spring balances with hooks and at the other are two wrest-pins. With one large and two small bridges, wrest pin key and 2 steel wires, each 1 meter long, without masses.

Description :- On sturdy base, can be used in horizontal or vertical position. Prong size is 300 x 25 x 10 mm. Actuated by an electromagnet between the prongs, works with 6 V D.C. Amplitude of vibration can be varied by adjusting the position of the electromagnet.

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.

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 In.