As the frequency of the generator is varied the first harmonic can be found and then all the others up to the 7th or 8th. The string length can be easily varied if required by moving the end peg and the main arm can be detached if required to facilitate storage.
Dimensions:
1350×80×90mm
800g
Product code: LA50-530A
http://www.lascells.com/product-detail/stationary-wave-apparatus/
