On This Day in Telephone History October 9TH 1876 The World's first two-way long distance telephone conversation over an outdoor wire (borrowed telegraph line of the Walworth manufacturing co.) Between CambridgePort and Boston with Alexander Graham Bell and Thomas Watson.

On This Day in Telephone History October 9TH 1876

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On This Day in Telephone History October 9TH 1876 The World’s First Two-Way Long Distance Telephone Conversation over an outdoor wire (borrowed telegraph line of the Walworth manufacturing co.) Between CambridgePort and Boston, with Alexander Graham Bell and Thomas Watson.