Original model of Edison's patent electric pen, 1875-1876
Original model of Edison's patent electric preparatory pen for preparing stencils, 1875-1876, mounted on wooden stand.,By this invention of Thomas Edison, a paper stencil plate was rapidly prepared, which could be used for producing a large number of copies or prints of the original writing, simply by running an inked roller over the back of the stencil.,The instrument consisted of a stylus, from the end of which projects a needle point; the needle is connected to a small flywheel and electric motor, at the end of the instrument, and by rotation of the motor the point is very rapidly protruded and drawn back again so that in passing over a sheet of paper the track of the stylus is left finely perforated. The electric current is supplied by flexible conductors.
Louisville homes: Inside Thomas Edison House in Butchertown
The OTHER inventions of Thomas A. Edison - ppt download
Thomas Edison House celebrates the inventor's 140-year-old accomplishment, Morning
Search our collection Science Museum Group Collection
Thomas Edison House celebrates the inventor's 140-year-old accomplishment, Morning
Search our collection Science Museum Group Collection
Electric Lamp Patent - Edison 1882 Art Board Print for Sale by Daniel Hagerman
Thomas Edison Incandescent Electric Lamp Patent Art Old Look Print in a Beveled Black Wood Frame (8 x 10) M12110: Posters & Prints
099 board of foreign missions rca 1931 by Hope College Library - Issuu
Edison Electric Pen – 1876 SPARK Museum of Electrical Invention
The History of Winthrop Massachusetts - William H. Clark, Town Memorials
Edison's electric pen, c1876. Artist: Unknown Stock Photo - Alamy
