Loading

Electro-magnetic Railway Signal Patent Model

National Constitution Center

National Constitution Center
Philadelphia, PA, United States

To advance American industry, inventors competed to submit patents for their designs, including this improved electrical circuit for railway signals. The U.S. Patent Office granted 16,738 patents during the first half of the 1800s. Over the next fifty years, the number of accepted patents rose to 632,695!

2010-02.1

Show lessRead more
  • Title: Electro-magnetic Railway Signal Patent Model
  • Date Created: 1870
  • Original Source: National Constitution Center
  • Rights: National Constitution Center
National Constitution Center

Additional Items

Get the app

Explore museums and play with Art Transfer, Pocket Galleries, Art Selfie, and more

Home
Discover
Play
Nearby
Favorites