Practical course in modern locksmithing.
By: By Whitcomb Crichton... A Benj. Franklin illustrated home-study course complete in one volume.
Contributors: Nelson-Hall company, Chicago.
Publisher: Nelson-Hall co.
Published: 1943
Place of publication: Chicago
Language: eng
Number of pages: 224
Subjects: Locks and keys.
Other titles: Modern locksmithing.