George W. N. Yost Typewriter Patent Model

Yost, George W. N. · 1889

This typewriter patent model was used by George W.N. Yost in his patent application that received patent number 401,990 on April 23rd 1889. The patent covered a variety of improvements in typewriting machines, including allowing a user to supply an omission or make a correction in the printing, and an indicator for to alert the typist when they were reaching the end of a line.