1888 Jacobi’s Printers' Vocabulary / T / Tympan. [p. 146]
The frame, usually covered with parchment, on which the sheet is placed in printing at a hand-press.
· ·
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Entry taken from Printers' Vocabulary, by Charles Thomas Jacobi, 1888.
· 
· 