Constructed the first make-and-break telephone, today called the Reis telephone
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
← Johann Philipp Reis timeline
Constructed the first make-and-break telephone, today called the Reis telephone
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-19 from Wikipedia. The archived copy is preserved so this citation survives link rot.