On This Day in Telephone History January 9TH 1894 New England Telephone & Telegraph put in service the first complete common battery (non-multiple) telephone switchboard at the Lexington, MA Telephone Exchange.

On This Day In Telephone History January 9TH 1894

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On This Day in Telephone History January 9TH 1894 New England Telephone & Telegraph put in service the First Complete Common Battery (non-multiple) telephone switchboard at the Lexington, MA Telephone Exchange.

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