Thomas Edison National Historical Park: Phonograph Ranger Demo

National Parks USA

IMG_2554

Welcome back to National Parks & other public lands with T! If you are seeing this on Twitter or Facebook, please visit the blog to see all of the photos and read the story by clicking the link.

IMG_2559

Every year, usually the first Saturday in June, the town of West Orange holds a street fair in conjunction with Edison National Historic Park to celebrate Edison Day. This is usually a fee-free day, with lots of demonstrations and talks given by volunteers and rangers.

IMG_2548

I went up to the 3rd floor of the laboratory complex for a scheduled ranger talk. In the recording studio at the end of the hall the ranger talked about Edison’s invention of the phonograph.

IMG_2550

Thomas Edison invented the phonograph in his Menlo Park laboratory in 1877. The prototype used a tinfoil covered cylinder with needles etching the vibrations into the foil.
Edison recited ‘Mary had a…

View original post 193 more words

Leave a Reply

Please log in using one of these methods to post your comment:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.