34 • Waves, sound and light Tuning fork, aluminium
The large oscillating area of these aluminium tuning forks ensures a good coupling to the surrounding air, making the sound clearly audible. Use one of these in Doppler effect de- monstrations by swinging it around in a string. The lengths are 118 and 104 mm, resp. Width: 30 mm.
2240.00 Tuning fork, 1700 Hz 2240.10 Tuning fork, 1000 Hz
2240.00 2240.10 2245.20
Pair of tuning forks on resonance boxes Tuning forks, steel
These tuning forks are made of nickel plated steel with the tone and frequency engraved.
2225.00 Tuning fork 440 Hz. Length 120 mm 2230.01 Tuning fork 440 Hz. Length 145 mm
UDGÅR 2230.01
The tuning forks are manufactured in special nickel-plated steel. They are used for resonance and dissonance experi- ments. The resonance boxes are made of lacquered pine and supplied with thick felt pads on the bottom. The set includes a small weight for mounting on one arm of a fork in order to change the frequency. The standard frequency is 440 Hz. Set contains: Two tuning forks + boxes and a hammer.
2245.20 Pair of tuning forks on resonance boxes 2235.00
Tuning fork set C-scale, physical
The set consists of UDGÅR 2225.00
eight tuning forks from C(256) to C(512) manu- factured in nickel plated steel with frequency values engraved. Supplied in car- rying case.
2235.00 Tuning fork set, C-scale
Tuning fork for demonstration experiments
2220.00
It is easy to hear an ordinary tuning fork but somewhat more difficult to show how it moves. The demonstration tuning fork oscillates at a frequency which is far below the audible range (around 5.4 Hz). On the other hand it is easy to observe its motion. Made of nickel plated steel. Length 75 cm.
2220.00 Tuning fork for demonstration experiments
Passion for Science
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