Product Code : WS-PWSO-0031
For demonstration of wave motion, helical coil of flat section tempered steel....
Product Code : WS-PWSO-0032
For demonstrating longitudinal and transverse motion, consisting of a number of eccentric discs supporting a series of metal rods on revolving the han...
Product Code : WS-PWSO-0033
Stand overall height 43 cm. for use in vertical or horizontal position, fitted with hand wheel and wire helix belt drive to pulley....
Product Code : WS-PWSO-0034
For demonstrating the movement of progressive transverse waves, comprises 22 small balls on wire rods, with eccentric motion attachment...
