#OTD in 1829.
In the United States, William Austin Burt patents the typographer, a precursor to the typewriter. The working model that Burt constructed for his 1829 patent was destroyed in the 1836 Patent Office fire.
https://www.datamp.org/patents/displayPatent.php?pn=X5581&id=33563
This patent discloses the actual construction of a type writing machine for the first time in any country. The type are arranged on the under side of a segment carried by a lever pivoted to swing vertically and horizontally.