First Page | Document Content | |
---|---|---|
Date: 2009-10-20 18:15:53United States Grace Hopper Bell Labs Lemelson Foundation Jerome H. Lemelson National Mall National Museum of American History Science and technology in the United States | Add to Reading ListSource URL: invention.smithsonian.orgDownload Document from Source WebsiteFile Size: 369,62 KBShare Document on Facebook |