Rubber Hammer, Medium

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.

Description :- Diameter 20 mm length 3 meters approx. when closed, extending to 10 meters for transverse wave motion experiments.

Description :- Threaded shanks, mounted on a common resonance box and having frequencies of C1 (256), E (320), G (384) and C2 (512) Hz. Size of box 285 x 115 x 63 mm approx. complete with hammer.

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.