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| Comprises of chrome plated steel fork with prong size 300 x
25 x 10 mm having accurate frequency adjusted, vibration
rate 60 per second. Electromagnet can work on 6 volts. The
amplitude of vibration can vary by sliding the electromagnet
inside prongs. On heavy stable tripod base with provision for
both horizontal and vertical use. Complete with stylet,
mirror and counterpoise.
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