Automatic Telephony a Comprehensive Treatise on Automatic and Semi-Automatic Systems

New York London: McGraw-Hill Book Company, Inc., 1914. 1st ed 2nd impression. Green cloth small quarto, gilt lettering; XI, 407 pages; including illustrations, folded plates, diagrams Very good+; Head and foot of spine lightly rubbed, light chaffing to edge of boards; clean pages and tightly bound. Hardcover.

By Arthur Bessey Smith, E.E., Member A.I.E.E., formerly Professor of Telephone Engineering, Purdue University and Wilson Lee Campbell, E.E., Fellow A.I.E.E. Handsome signature to front-leaf dated 1-1-20