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2pcs Tuning Fork 440HZ Virbration with Wood Resonator Box Experimental Instrument with Tuning Fork Knocker 6.5 * 16mm / 0.3 * 0.6in

KWD 11.500
Brand
Walfront
– 1 +

Special Features

  • ✔【PHYSICAL EXPERIMENTAL INSTRUMENT】----High quality physical experimental instrument, durable and practical.
  • ✔【2 SAME EFFICIENCY TUNING FORKS】----Two tuning forks of the same efficiency are made of the whole 45# carbon steel.
  • ✔【CHROME PLATED SURFACE】----The edges and corners are neat and the surface is chrome plated, the frequency is 440 cycles per second.
  • ✔【DEMONSTRATE SOUND RESONANCE】----The tuning fork set is used to demonstrate the resonance of sound in school.
  • ✔【USED FOR VARIETY OF EXPERIMENTS】----Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound conduction of various substances.

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