Publisher New York The Yale and Towne Mfg. Company 1940
Seller ID 005930
12mo. 16 by 9 cm. 24 pp., including front and rear cover. An excellent concise survey on all types of key locks, with brief history of the well-known company, its founders, etc. Scarce. Two copies, of earlier versions, found on OCLC First Search, at Athenaeum, Philadelphia, and Connecticut Historical Society.