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Tuning fork

Tuning fork[1]

A tuning fork was a type of tool that could be used to make a high-pitched sound when striking it.

Doctor Gulliver had an electronic tuning fork that he used to cause the bullet-proof glass case of the Vanderbulge Star Sapphire to shatter.[2]

Green Arrow used Doctor Gulliver's tuning fork to shatter the glass jars that the Super Friends were trapped in.[3]

References

  1. As seen in Gulliver's Gigantic Goof (1973).
  2. As seen in Gulliver's Gigantic Goof (1973).
  3. As seen in Gulliver's Gigantic Goof (1973).

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