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    FIRE ALARM SIGNALING CIRCA 1850

    June 11, 2015

    |

    Felix Giannini FPE, CPP

    Alarm monitoring has been around for well over one hundred and fifty years. In fact, the first monitoring for fire alarm signals date back to the 1850’s when the telegraph was used to send an address / location code to a telegraph office. In 1854 Dr. William Channing t...

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