Rubber Hammer, Medium

Description :-
An electric bell 3 – 6 V AC / DC suspended in a bell jar, fitted with rubber bung and connector terminals.

Description :- For use with ripple tank, simple form. A disc of 250 mm diameter with 12 equispaced slots and a finger hole, rotating on its axis, with handle.

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.