Rubber Hammer, Medium

Description :- Consisting of 19 spheres, each mounted on a 75 mm long rod with a collar for attachment to a shaft. The spheres are mounted at 20° intervals, equally spaced along the shaft. The shaft rotates in two pillars mounted on a base.

Description :- Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the two 4mm sockets mounted on the rear panel of the instrument. Example of the many applications of this unit are to be found in motion analysis multi exposures photography, examination of moving parts and measurement of rotational speed. Specifications:- Input Volts : 220V AC, 50 Hz Flash Rate: 0- 9999 Flashes per minute. Resolution : 1 Display: 7 Segment LED (4 nos.)

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.

Description :- Easier to handle as it does not tangle. Size 63 mm diameter x 65 mm length.