Tuning Forks, Set of 2, Superior
Set of two resonance boxes with extra heavy aluminium forks having double the duration of audible vibration than the ordinary forks. One fork is weighted and can be adjusted over range of about 30 Hz. forks are of different lengths 19.4 cm and 17.5 cm approx.
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Wave & Sound
Ripple Tank, Dual Purpose
This dual purpose tank is a versatile apparatus allowing all types of waves and wave motion. With illuminator lamp and important accessories included it forms a complete ready to use unit. The unique design and size allows it to be used on an overhead projector as well. Supplied in foam packing and consists of the following components :
- Ripple Tank 40 x 40 cm.
- Four push Fit Legs.
- Ripple motor with eccentric cam, mounted on PVC bar.
- Three supports for illuminator and the motor unit.
- Motor hanging clamps.
- Spring for motor support.
- Lamp Unit halogen 6 Volts.
- Concave Perspex Plate.
- Convex Perspex.
- Rectangular Perspex Plate.
- Curved Reflector.
- Barrier Large.
- Barrier Small.
- Plastic Roller Bar.
PH36068 -
Wave & Sound
Digital Stroboscope
Stroboscopic flashes are triggered by either the internal oscillator or by external pulses which may be connected to the socket mounted on the rear panel of the instrument. Example of the many applications of this unit are to be found in motion analyism multi exposures photography, examination of moving parts and measurement of rotational speed.
Specifications:-
Input Volts: 220V AC, 50 Hz.
Max. Flash Rate: 9999 Flashes per minute.
Resolution: 1.
Display: 7 Segment LED (4 Digit).PH36067P
