. Bell telephone magazine . The Pennsylvania Motor Police Teletypewriter Headquarters at Harrisburc. furnishes the Police ofA Hundred Pennsylvania Communities with Alarms and other Police Reports. Headquarters of the Massachusetts State Police Teletypewriter System at Commonwealth Pier,Boston. Police alarms are flashed from here to police points throughout Massachusetts, and to the policein the neighboring States of New York, Rhode Island, New Hampshire and Connecticut.

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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922