• Heavy Machine Shop

    Thomas Edison

    National Historical Park New Jersey

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  • Road Closure

    On November 2, 2014 because of road closures in Llewellyn Park the last Glenmont House tour will be at 2pm and the grounds will be closed at 3pm.


Did You Know?


Did you know before Edison invented the phonograph people entertained themselves with a device called the megalethoscope. This device was used to view photographs through a large lens, which creates an optical illusion to create dramatic visual effects.