On This Day in Telephone History August 21st 1879 Europe's First Telephone Exchange, The Telephone Company Ltd, Opened in London. Located at 36 Coleman Street. The Telephone Company Ltd had a capacity for 150 lines and opened with about 8 subscribers.

On This Day in Telephone History August 21st 1879

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On This Day in Telephone History August 21ST 1879 Europe’s First Telephone Exchange, The Telephone Company Ltd, Opened in London. Located at 36 Coleman Street. The Telephone Company Ltd had a capacity for 150 lines and opened with about 8 subscribers.

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