A proof taken of the whole galley at once is called a galley proof.
Good-night, my dear; I shall be at work on my galley proof till daylight.
I'll do the lino and the case warrk mysel' and pull a galley proof for ye too.
Jeff was white as the galley proof that lay before him with the unprinted side up.
The floor was littered with paper and proofs; on the desk a slip of galley ...