First Burglar Alarm Installed
February 21, 1858
The first electrical burglar alarm is installed by inventor Edwin T. Holmes in Boston, Massachusetts. It was a very simple system that rang a bell if a door or window was opened.
February 21, 1858
The first electrical burglar alarm is installed by inventor Edwin T. Holmes in Boston, Massachusetts. It was a very simple system that rang a bell if a door or window was opened.