UNfound:

The U.S. Typewriter, an index-style writing machine, was invented ca.1897 by Chauncey Wing of Greenfield, MA. It would have been produced at the C. Wing Machine Works, also of Greenfield.

Read more about the U.S. Typewriter here...

Have some info about this typewriter? Have you found it? If yes, please email me at Antikey.Chop@gmail.com