Wireless Telegraphy and Telephony

CATALOGUE OF GOOD, PRACTICAL BOOKS GAS ENGINES AND GAS THE GASOLINE ENGINE ON THE FARM: ITS OPERATION, REPAIR AND USES. By Xeno W. Putnam. This is a practical treatise on the Gasoline and Kerosene Engine intended for the man Äwwonrks tå his ensine and how to appiy ifc to ai1 kinds °f quately describe it in such small space. Suffice to say that it is the kind of a book every farmer will appreciate and every farm home ought to have. Includes selectin'” s.ultable engme for farm work, its most convenient and efficient installation” with chapters on troubles, their remedies, and how to avoid them The care and management of the farm tractor in plowing, harrowing, harvesting and road grading are fully covered; also plain directions are given for handling the tractor on the road bpecial attention is given to relieving farm life of its drudgery by applying power to the disagreeable small tasks which must otherwise be done by hand ‘Many home- made contrivances for cutting wood, supplying kitchen, garden, and barn with water loading, hauling and unloading hay, delivering grain to the bins or the feed trough are included, also full directions for making the engine milk the cows, churn wash sweep the house and clean the windows, etc. Very fully illustrated with drawings of working parts and cuts showing Stationary, Portable and Tractor Engines doing all Kinas of farm work. All money-making farms utilize power. Learn how to utilize Power by reading the pages of this book. It is an aid to the result getter, invaluable to the up-to-date farmer, student, blacksmith, implement dealer and, in fact all who can apply practical knowledge of stationary gasoline engines or gas tractors to advan- tage. 530 pages. Nearly 180 engravings. Price......................$2.00 WHAT IS SAID OF THIS BOOK: “.Am much pleased with the book and And it to be very complete and up-to-date. 1 will heartily recommend it to students and farmers whom I think would stand in AYCh a rJ?rk’ aS a is an exceptionally good one.”—N. S. Gardiner, ClemsonCCone|eCseiC °n Agl'' College of S‘ C': Dept‘ of AgrL and AgrL ExP- Station, *Ineel.thnt Mr Putnam’s book covers the main points which a farmer should know ” ■—H. 1. Burdick, Instructor in Agronomy, University of Vermont, Burlington, Vt. “It will be a valuable addition to our library upon Farm Machinery.”—James A arra, Inst, in Agri. Engineering, State University of Ky., Lexington, Ky. GASOLINE ENGINES: THEIR OPERATION, USE AND CARE. By A. Hyatt Verrill. The simplest, latest and most comprehensive popular work published on Gasoline Engines describing what the Gasoline Engine is: its construction and operation; how to install it; how to select it; how to use it and how to remedy troubles encountered, intended for Owners, Operators and Users of Gasoline Motors of all kinds This work fully describes and illustrates the various types of Gasoline Engines iised in Motor Boats, Motor Vehicles and Stationary Work. The parts, accessories and appliances are described, with chapters on ignition, fuel, lubrication, operation and engine troubles. Special attention is given to the care, operation and repair of motors with useful hints and suggestions on emergency repairs and makeshifts. A complete glossary of technical terms and an alphabetically arranged table of troubles and their symptoms form most valuable and unique features of this manual. Nearly every illustration in the book is original, having been made by the author. Every page is full of interest and value. A book which you cannot afford to be without. 275 pages 152 specially made engravings. Price............................$ 1.50 GAS, GASOLINE, AND OIL ENGINES. By Gardner D. Hiscox. Just issued, 21st revised and enlarged edition. Every user of a gas engine needs this book. Simple, instructive, and right up-to-date. The only complete work on the subject. Tells all about the running and management of gas, gasoline and oil engines as designed and manufactured in the United States. Explosive motors for stationary marine and vehicle power are fuily treated, together with illustrations of their parts and tabulated sizes, also their care and running are included. Electric ignition bv induction coil and jump spark are fully explained and illustrated, including valuable information on the testing for economy and power and the erection of power plants. 17