Edison seated at Telegraph key 1920. 28th July 1920. Edison National Historic Site Orange New Jersey. . Edison, Thomas Alva (the Wizard of Menlo Park) US inventor; opened research laboratory in Menlo Park, New Jersey 1876 (moved to West Orange, New Jersey 1887); invented phonograph (1st demonstrated 1877); invented incandescent electric light 1879; invented kinetograph camera and kinetoscope motion-picture viewer (patented 1891) _1847-1931
Edison seated at Telegraph key 1920. 28th July 1920. Edison National Historic Site Orange New Jersey. . Edison, Thomas Alva (the Wizard of Menlo Park) US inventor; opened research laboratory in Menlo Park, New Jersey 1876 (moved to West Orange, New Jersey 1887); invented phonograph (1st demonstrated 1877); invented incandescent electric light 1879; invented kinetograph camera and kinetoscope motion-picture viewer (patented 1891) _1847-1931
Edison seated at Telegraph key 1920. 28th July 1920. Edison National Historic Site Orange New Jersey. Edison, Thomas Alva (the Wizard of Menlo Park) US inventor; opened research laboratory in Menlo Park, New Jersey 1876 (moved to West Orange, New Jersey 1887); invented phonograph (1st demonstrated 1877); invented incandescent electric light 1879; invented kinetograph camera and kinetoscope motion-picture viewer (patented 1891) _1847-1931