Slinky, Plastic

Description :- 1200 x 115 x 60 mm hollow box with two fixed bridges with a one meter scale in between and with a pulley and wrest pin for wires, complete with a long movable bridge, wrest pin length, without masses.

Description :- For activating tuning forks. Rubber ball is mounted on a sturdy, wooden handle.

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

Description :- Demonstrating longitudinal and transverse waves. A number of eccentric discs move a number of metal rods. Transverse waves are obtained by straight rods and longitudinal waves by bent rods.