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Evolution of the Telephone 1856 - 2020 (Landline)
Evolution of the Landline Telephone 1856 - 2020 #telephone #history #tech This is a quick look at the evolution of the telephone. The history will be provided in a separate video. 1856 Telettrofono 30 prototypes created between 1856 and 1871. Never Patented the invention because lack of funds. Used Make and Break Circuit 1863 Reis Telephone ...
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