A proof that is dose enough to final copy to permit proof reading The traditional galley was a small unit of manually set type, which was checked before being merged into a frame with other galleys The galley proof also called a reader's proof-was used to check for errors in manual typesetting
A proof taken from composed type before page composition to allow for the detection and correction of errors
A copy of a book that was produced ostensibly for proof readers In times past, these were produced in very small numbers within the publishing house itself, on a small press called a galley The product of the galley tended to be long, narrow sheets These sheets, also called galleys, were crudely bound up for in house use The galley presses are mostly gone, but the name survives The distinction between proofs (galley or other), and ARC's and review copies is quite blured In some cases a single issue is referred to as all of the foregoing