Cloth. Size 6 x 9 inches. 202 pages. 159 diagrams and illustrations. Price, $1.75. Postage, 10 cents.
Practical Wireless Telegraphy
By ELMER E. BUCHER
More than 65,000 copies of this book have been sold to date. It is used in practically every school, college, library and training camp in this country.
Practical Wireless Telegraphy is the recognized standard wireless text book. It furnishes much information of utmost value in regard to the very latest styles of wireless sets now in use.
It is the first wireless text book to treat each topic separately and completely, furnishing a progressive study from first principles to expert practice. Starting with elementary data, it progresses, chapter by chapter, over the entire field of wireless—fundamentals, construction and practical operation.
Size 6 x 9 inches. 352 pages. 340 illustrations. Handsomely bound in full cloth. Price, $1.75. Postage, 10 cents.
Radio Telephony
By ALFRED N. GOLDSMITH, Ph D.