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
LESSONS IN WIRELESS TELEGRAPHY
(WRITTEN SO THAT YOU CAN UNDERSTAND THEM)
Our new book contains a systematic elementary course in the principles of Wireless Telegraphy and the electrical laws upon which it depends. It contains more reliable and practical information than any other book of its kind.
IF YOU OWN A WIRELESS OUTFIT it will give you a thorough grounding in the principles and care of the efficiency of your apparatus.
IF YOU INTEND PURCHASING OR OPERATING WIRELESS TELEGRAPH APPARATUS you could not desire a more complete or concise explanation of matters it is essential to understand.
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