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Telephonic Probe
Elementary telephonic probe
Inventor Alexander Graham Bell

The Telephonic Probe was first invented by Alexander Graham Bell to assist doctors in finding a bullet within the chest of American president James Garfield.

Detective William Murdoch created his own Telephonic Probe while investigating the murder of Ida Winston. He gave it to Dr. Julia Ogden to use in future post-mortems ("Elementary, My Dear Murdoch").

Appearances & Mentions

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