Roller press No. 3793 for copying letters by the method patented by James Watt in 1780. With pasteboard & "wetting book". Mahogany table with folding flaps & drying drawer for Watt's copying press. Watt's Letter Copying Press 1780-1800
Roller press No. 3793 for copying letters by the method patented by James Watt in 1780. James Watt's letter copying press
