Thoroughly up to date and unusually complete. Gives in minute detail, full directions for constructing wireless apparatus and various outfits capable of receiving from 100 to 1,500 miles and transmitting 3 to 100 miles. Also clearly explains the purpose and action of each instrument. Directions for Operating and Adjusting, etc.
A SPLENDID TREATISE OF WIRELESS ALONG
CONSTRUCTIVE LINES
Price, $1.50, Postpaid
The value of this book has been greatly increased by the addition of much new subject matter and many illustrations of recent interest.
The new text explains fully how to build the most recent forms of Quenched Gaps. Rotary Gaps, Dough-Nut Tuners, Kick-back Preventers, Audion Detectors and numerous other instruments, accompanied by dimensioned working drawings. Several very interesting and instructive photographs have been included.
I.—Introduction. II.—The Apparatus. III.—Aerials and Earth Connections. IV.—Induction Coils. V.—Interrupters. VI.—Transformers. VII.—Oscillation Condensers and Leyden Jars. VIII.—Spark Gaps or Oscillators. IX.—Transmitting Helixes. X.—Keys. XI.—Aerial Switches and Anchor Gaps. XII.—Hot Wire Ammeter. XIII.—Oscillation Detectors. XIV.—Tuning Coils and Tuning Transformers. XV.—Receiving Condensers. XVI.—Telephone Receivers and Headbands. XVII.—Operation. XVIII.—The Amateur and the Wireless Law. How to Secure a License. Oscillation Helix. Quenched Spark Gap. Rotary Gaps. Kick-Back. The Variometer. New Crystal Detectors. The Audion.—Appendix.
ENDORSED BY WIRELESS CLUBS THROUGHOUT THE COUNTRY AS BEING
THE MOST PRACTICAL BOOK PUBLISHED ON WIRELESS.
IF YOU ARE INTERESTED IN WIRELESS YOU NEED THIS BOOK