Feeding.—Supplying the press with sheets.
First form.—The form first printed, which generally contains the first page of a sheet.
Fly.—The person or apparatus that takes off the sheets from the press.
Folio.—Two pages to a form.
Foot-sticks.—Sloping pieces of furniture placed at the bottom of pages, between which and the chase the quoins are driven to fasten the pages.
Form.—The pages when imposed in a chase.
Foul proof.—A proof with many faults marked in it.
Fount.—A complete assortment of type, of the same nick, body, and face, put up by type-founders in accordance with an ascertained ratio.
Fountain.—Reservoir for ink, attached to printing-presses.
Friar.—A light patch in a printed sheet, caused by defective rolling.