00865nam a2200205 a 4500 w 09000221 DLC 20260227112806.0 830929s1909 enk 00000 eng w 09000221 Z700 .H35 1909 Rosenwald Coll 025.8/4 19 Haslam, W. The book of trade secrets, receipts, and instructions for renovating, repairing, improving and preserving old books and prints / by an expert. London : J. Haslam & Co., 1909. 48 p. ; 19 cm. Published anonymously. W. Haslam is named as author on the 1923 ed.: The library handbook of genuine trade secrets and instructions for cleaning, repairing, and restoring old manuscripts ... Books Conservation and restoration. Prints Conservation and restoration. 91899 91899