Authors are connected with the mechanical engineering department, University of Wisconsin.
Submarine warfare of today; how the submarine menace was met and vanquished, with descriptions of the inventions and devices used, fast boats, mystery ships, nets, aircraft, etc., also describing the selection and training of the enormous personnel used in this new navy. C. W. Domville-Fife. Lippincott. 304p. $2.25. (Science of today series)
An interesting, popularly written book. Describes conditions as they were at the beginning of the war, and tells of the measures adopted and the devices employed to meet the submarine menace by convoying ships, laying mines, and destroying enemy submarines. Fully illustrated.
Author was of the staff of the British school of submarine mining, and has written other books on submarines.
Traveling salesmanship. A. W. Douglas. Macmillan. 153p. $1.75.
“This little book is not merely the usual study of the psychology of Salesmanship, but rather the result of forty years’ close contact with the traveling salesmen of one of the largest distributing mercantile organizations of this country.” Preface.
Contains chapters on the nature and function of salesmanship, preparations for the road, work on the road, contact with customers, competition and prices, some phases of selling, claims, the human equation.
The author is chairman, committee on statistics of the United States Chamber of Commerce.
Experimental wireless stations; their theory, design, construction and operation; including wireless telephony, vacuum tube and quenched spark systems; a complete elementary course of instruction in and on account of sharply tuned modern wireless installations. New 1920 ed. P. E. Edelman. Henley. 392p. $3.00.
A revised and enlarged edition of a successful amateur’s book on wireless communication. Some knowledge of the fundamentals of electricity and mathematics on the part of the reader is presupposed.