WASHINGTON, DC — Out of patent litigation paranoia, inventor Alexander Graham Bell donated copies of his devices and sound recordings directly to the Smithsonian. Volta Laboratory disc recording with ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Alexander Graham Bell (1847-1922), ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results