Prison locks
Subtitle: catalog no. 31
By: Sargent & Greenleaf, Inc
Publisher: Sargent & Greenleaf
Published: 1931
Place of publication: Rochester, N.Y
Language: eng
Number of pages: 38
Subjects: Catalogs; Locks and keys; Prisons; Security measures; Sargent & Greenleaf
Notes: Cover title.

"A.I.A. file No. 27B2, locks for prisons."

Includes indexes.