PROOF

(From the verb to prove.) In Engraving, tin impre ion taken from an engraving to prove the state ot it during the progre of executing it; also one taken before the insertion of the letters are engraved on the plate. Proof. In Printing, an impre ion on which the errors and mistakes arc marked for the purpose of being corrected. Proofs are — first proof, which is the impre ion taken With all the errors of workmanship. After it is read by the copy, and the errors corrected, which if not many, and carefully done, another Impre ion is printed with more care, to send to the author; this is termed a clean proof. ( )n it lie makes his corrections and alterations: when those are altered in the ty|>es, another proof is printed, and read over carefully, previously to the whole number being printed ofl"; this is called the pre proof. Proof. See Evidkni k. [s. 1011]