Wet letter copying book. Used to duplicate written letters, which are written in a special ink and then transferred onto moistened paper using a press. 1955-1965 Wet Letter Copying Book, 1955-1965
Small fly screw press, used for copying letters with a wet letter book 1675-1705. Screw press for copying letters, 1695-1705.
China water pot. Used with a wet letter book, the letter is moistened before transferring, 1875-1900 Water Pot for Use in Letter Copying,1875-1900