On This Day in Telephone History May 1, 1877, the First Telephones Rented For Business Use on a Private Line. Roswell C. Downer rented the First Telephones for business use on a private line between Boston and Somerville. From Downer's home, at 170 Central St., Somerville, to the office of Stone & Downer, Bankers, 28 State St., Boston (3 miles)

On This Day in Telephone History May 1ST 1877

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First Telephones Rented For Business Use on a Private Line. Roswell C. Downer rented the First Telephones for business use on a private line between Boston and Somerville. From Downer’s home, at 170 Central St., Somerville, to the office of Stone & Downer, Bankers, 28 State St., Boston (3 miles)

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