https://americanhistory.si.edu/collections/search/object/nmah_850123
From Smithsonian Institution
This Sholes, Glidden, & Soule typewriter patent model was awarded patent number 79,265 on June 23rd, 1868.
This Sholes, Glidden, & Soule typewriter patent model was awarded patent number 79,265 on June 23rd, 1868.
https://americanhistory.si.edu/collections/search/object/nmah_850123