01117cam a2200229 a 4500 ca 24000475 DLC 20260227111112.0 821210s1923 caua 000 0 eng ca 24000475 DLC DLC TS520 .R6 TS520 .R6 Copy 2 Has inscription: 3406 Andover St. Routson, H. W. (Howard William), 1879- Locksmithing and general shop information : being a clear and comprehensive treatise on locksmithing, together with an assortment of useful information collected and arranged for the benefit of locksmiths, novelty-shops, carpenters, building contractors, and any one engaged or in any way interested in the handling of locks or anything of that nature / arranged and published by H.W. Routson. Oakland, Calif. : H.W. Routson, c1923. 140 p. : ill. ; 18 cm. "Safe drilling directions": [1] folded mimeographed leaf, tipped in at end. Locks and keys. Locksmithing. Harry Houdini Collection (Library of Congress) DLC 15787 15787