One year earlier, Downing patented an electrical switch for railroads which allowed railroad workers to supply or shut off power to trains at appropriate times. Based on this design, innovators would later create electrical switches such as light switches used in the home.
About the Site
The Black Inventor Online Museum ™, is a look at the great and often unrecognized pioneers in the field of invention and innovation.
Achievements by Black inventors can be seen as far back as ancient Africa but much of society has no idea that many of the products or devices that make their everyday lives more enjoyable are the result of the hard work and ingenuity of Blacks.
Some of Our Other SItes
Our Social Media
Adscape International, LLC
PO Box 173 Brandywine, MD 20613