. Bell telephone magazine . Lieutenant John E. Murnane of the New Jersey State Police watches the Reception of a Tele-typed Alarm on a Machine in the Trenton Headquarters of the New Jersey State Police Teletype-writer System. The extensive teletypewriter files of the police are kept in cabinets along the wall at the The Pennsylvania Motor Police Teletypewriter Headquarters at Harrisburc. furnishes the Police ofA Hundred Pennsylvania Communities with Alarms and other Police Reports

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Keywords: ., bookauthoramerican, bookcentury1900, bookdecade1920, bookyear1922