Patent Model of a Sheet Perfecting Flatbed Cylinder Press

Kerr, William A. · ca 1870

This patent model demonstrates an invention for a sheet perfecting flatbed cylinder press which was granted patent number 103894. The invention had two vertical type beds, one at each end of the press. A sheet of paper was fed to the first cylinder and printed at the first type form traveling upwards. Next the sheet was passed to the second cylinder and printed on the other side at the other form traveling downwards. Finally, it was deposited under the press.