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A Police and Fire Alarm System goes into operation in Baltimore, Maryland

Baltimore, 1853, zoomable map
06/27/1859
Baltimore's Police and Fire Alarm system connected thirty street stations, or boxes, with fifteen miles of wire, each designed with a crank to ring a bell at fire or police headquarters and then transmit with a Morse key the number of the box sending the alarm. By 1876, the system had thirty-seven miles of wire connecting eighty-two boxes all over the city. (By John Osborne)
Source Citation: 
Charlton Thomas Lewis, Joseph H. Willsey, Harper's Book of Facts: A Classified History of the World; Embracing Science, Literature, and Art (New York: Harper & Brothers, 1895), 75. Clarence H. Forrest, Official History of the Fire Department of the City of Baltimore: Together with Biographies and Portraits of Eminent Citizens of Baltimore (Baltimore, MD: Williams & Wilkins, 1898), 194.

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How to Cite This Page: "A Police and Fire Alarm System goes into operation in Baltimore, Maryland," House Divided: The Civil War Research Engine at Dickinson College, http://hd.housedivided.dickinson.edu/node/23073.