Features:

  • High quality physical experimental instrument, durable and practical.
  • Two tuning forks of the same efficiency are made of the whole 45# carbon steel.
  • The edges and corners are neat and the is chrome plated, the frequency is 440 cycles per second.
  • The tuning fork set is used to demonstrate the resonance of sound in school.
  • 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.

Specification:
Condition: 100% brand new
Frequency: 440 cycles per second
Fork section size: 6.5 * 16mm / 0.3 * 0.6in
Tuning fork arm length: approx. 109mm / 4.3in
Distance between arms:17mm / 0.7in

Package List:
2* Tuning Fork
2* Wood Resonator Box
1* Knocker

Note:
1. The tuning fork should be protected from breaking and high heat to prevent frequency change.
2. The tuning fork and the sound box should have a reliable connection and should not be shaken when the tuning fork is inserted or removed.
  



 

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On Aug 31, 2023 at 05:23:53 PDT, seller added the following information:

DataCaciques