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.