Between the years 1790 and 1880 the U.S. Patent Office required both documentation and a three-dimensional working model to demonstrate each new invention submitted for a patent. The models helped to explain proposed innovations and compare them against similar inventions. In this online exhibiti

Remington put its writing machines on the market in 1874 at a price of $125. The new Type Writer owed some of its identity to the sewing machines that Remington had recently added to its product line. The writing machine came mounted on a sewing machine stand, with a treadle to operate the carria