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From Meucci’s first telephone in 1871, to the wooden handle telephones with handles from the 19th and the beginning of the 20th centuries; telephones from the 20th century to the first “satellites” from the 70’s, etc.
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1871 MEUCCI'S FIRST PHONE LINES
with two models of electromagnetic phones
and Volta's batteries for lines working lines. |
"GRAMMONT"
wooden phones named "ASSO DI QUADRI", double listening. France, end of 1800. |
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1877 MICROPHONE- HUGHES EXPERIMETAL PHONE. A carbon bar with Grenet's batteries for the line and watch supply for watch ticking. |
"ERICSSON"PHONE
With double listening. Sweden, end of 1800. |