Fun Fact: The first automatic electric fire alarm was invented by Francis Robbins Upton and Fernando J. Dibble in 1890. Upton was an associate of Thomas Edison, and there's evidence that Edison worked on the device.  Photo 2 of 6 in How To Navigate Modern Building Codes from An Introduction to Building Codes

How To Navigate Modern Building Codes

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Fun Fact: The first automatic electric fire alarm was invented by Francis Robbins Upton and Fernando J. Dibble in 1890. Upton was an associate of Thomas Edison, and there's evidence that Edison worked on the device.