Eisco Wave Form Helix, Slinky, Coil dia 7.5 cm Length Closed 5cm

A flat-section steel wire helical coil, suitable for use in the study of sound and wave propagation in the physics lab - or simply for having fun at home with a classic spring toy.

* A scientist's version of the classic toy (with a higher spring constant) * Can be used as a scientific instrument to measure a wave function and for demonstrating a variety of physics concepts * Send it down a set of stairs for an exciting display * Stretches up to 3m in length * Ideal for demonstrating a variety of physics topics including potential and kinetic energy, Hooke's Law, energy of motion and more * Coil diameter 75mm * Length when closed: 50mm * Eisco type PH0708B