Invention of the telephone

For broader coverage of this topic, see History of the telephone.

Replica of the telettrofono at Museo Nazionale Scienza e Tecnologia Leonardo da Vinci of Milan, Italy, invented by Antonio Meucci and credited by several sources as the first telephone.
Reis telephone, presented to the Physical Society of Frankfurt, Germany on 26 October 1861. The first device to transmit a voice via electronic signals and for that the first modern telephone.

The invention of the telephone was the culmination of work done by many different people, and led to an array of lawsuits relating to the conflicting patent claims made by several individuals and numerous companies. Notable people included in this process were Antonio Meucci, Philipp Reis, Elisha Gray and Alexander Graham Bell.

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