1888 Jacobi’s Printers' Vocabulary / S / Stereo mounting boards. [p. 133]
A large board—usually of mahogany—on which sets of plates are fastened down to a certain gauge.
· ·
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Entry taken from Printers' Vocabulary, by Charles Thomas Jacobi, 1888.
· 
· 