Waves & Sound
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Waves & Sound
Ripple Tank, Dual Purpose
This dual-purpose tank is a versatile apparatus allowing all types of waves and wave motion. With an illuminator lamp and important accessories included it forms a complete ready-to-use unit. The unique design and size allow 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 the 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 -
Waves & Sound
Electronic Frequency Controller
Electronic Frequency Controller for use with ripple tank, to operate both the vibrator and a lamp for illumination. A digital display with two control knobs one for Frequency and another for amplitude are provided. Output signal is square wave from 1-100 Hz with increment set of 1Hz.
PH36069 -
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Waves & Sound
Sonometer, 3-Wire
Hollow wooden-sounding box 1290 x 130 x 110 mm, with mm scale, has two fixed bridges 72 cm apart over which wires are stretched. To one wire is fitted a spring balance reading to 100N x 5N and its tension can be adjusted by a winged nut and measured. Another wire passes over a pulley and can be loaded as desired. A third wire, for comparison, can have its tension adjusted by a wrest pin. With 3 movable bridges, wrest-pin key, spring balance, and set of four wires of different diameters, each 1.5 meter long, without masses.
PH36105 -
Waves & Sound
Tuning Forks, Set of 2
The forks have threaded shanks and will screw in the box tops. The frequency of each is A (426). One fork is fitted with a sliding mass to alter its frequency. On sounding both forks, a clear, beat is produced. Supplied with one hammer. Size of box 180 x 88 x 53 mm approx.
PH36137 -
Waves & Sound
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.
PH36140 -
Waves & Sound
Tuning Fork, Electrically Maintained
On sturdy base, can be used in horizontal or vertical position. Prong size is 300 x 25 x 10 mm. Actuated by an electromagnet between the prongs, works with 6 V D.C. Amplitude of vibration can be varied by adjusting the position of the electromagnet.
PH36145