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Sources

Page history last edited by Catrina Caforio 13 years, 11 months ago

Sources

 

"Burglar in Church Trapped By Police." New York Times. June 6, 1908.

 

"Burglars Strike Alarm." New York Times. March 21, 1913.

 

Cunningham, John E. Security Electronics. Indianapolis: Howard W. Sams & Co., Inc. 1970.

 

Google Patents

http://www.google.com/patents?id=sIFiAAAAEBAJ&dq=Burglar+Alarm+1853&jtp=1

 

 

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