a mask of thin paper laid over an illustration to shield certain areas when using an airbrush.
Printing. a mask of strong paper set in a rectangular frame attached to the tympan of certain presses and cut up so as to prevent accidental soiling or printing by furniture or the chase.
In the cut at the head of this article, the pressman is represented as in the act of turning down the frisket upon the tympan.
The bed traveled on guide ways, and the tympan and frisket were hinged to fold back and lay in elevated position.