Lessons in Wireless Telegraphy
Chapter V.—ARRANGEMENT AND OPERATION OF THE APPARATUS. Aerial Switches.
The Buzzer Test. Using More Than One Detector. Shunting the Detector. Complete Outfits. Portable Sets. The Operation of the Station, Etc.
*The New Amateur’s Wireless*
*Handy Book*
FOURTH EDITION
Completely Revised and Enlarged
You Cannot Afford To Be
Without This Book
Price 25 Cents, Postpaid
If you want to be an expert and an authority you must surround yourself with all available aids and helps. You have one of the best in the AMATEUR’S WIRELESS HANDY BOOK.
THERE HAVE BEEN MORE COPIES OF THIS GREAT BOOK SOLD THAN OF ANY OTHER WIRELESS BOOK.
It contains nearly SIX THOUSAND calls of Wireless Stations, including all Land Stations, Ship Stations, U. S. Army and Navy Stations and all AMATEURS licensed to date of publication.
Every registered station of the U. S. is included. They are all there. All the calls are classified alphabetically. The list is the most reliable and complete in existence. All obsolete stations have been abolished. All corrections and changes have been made from the official lists.
*BUT, THAT IS NOT ALL.*
THE CODES, BOTH MORSE AND CONTINENTAL, are shown in the form of two large full-page charts printed in heavy black type so that they can be read from a distance.
A BEGINNER’S SPEED CHART of both Codes so arranged that the codes may be quickly learned or consulted is provided.
ALL THIS ABBREVIATIONS used so constantly by the wireless operator to save time and labor are included. There are a couple of pages of them.
*AND LAST BUT NOT LEAST*
Nearly 100 large hook-ups of wiring diagrams fully illustrated in a concise and clear manner. Loop and straightaway aerials, grounds, helixes, spark gaps, anchor gaps, leyden jars, induction coils, transformers, keys, aerial switches, tuning coils, loading coils, loose couplers, variometers, fixed condensers, silicon, electrolytic, carborundum, perikon and audion detectors, telephones, potentiometers, etc., you can find them all and how to connect. A hook-up for any set accompanied by full explanation. None are missing. They are all there. There are no two alike.
The most complete and reliable data ever collected. The result of thousands of experiments by some of the most famous wireless experts in the country.
Read now before the supply is exhausted or you forget. You will be sorry if you don’t.
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Note: This book is always kept up-to-date by frequently issuing new editions. Send for the latest copy.
*Wireless Construction and Installation for Beginners*
SEVENTY-THREE PAGES SIXTY-SEVEN ILLUSTRATIONS.
(Second Edition.)
A Practical Handbook giving detailed instructions for the Construction and Operation of a Boy’s Wireless Outfit.
*Only 25c. Prepaid*
An indispensible book for the young wireless experimenter. It not alone shows how to build the various instruments but describes their actual workings and tells how to operate them.
*EVERY BOY IS ADVISED TO*
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Written in a very clear and simple style, the book is invaluable to a beginner. He will be able with its aid to construct simple apparatus of the latest and approved type. The instruments described in the book have been the subject of considerable experimental work and special study. They are modeled along simple lines so that they will be easy and inexpensive to construct, but at the same time combine features which make them very sensitive and capable of receiving or transmitting messages greater distances than some more complicated apparatus.
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There are no old or obsolete forms of wireless apparatus discussed, but only the latest types of tuning coils, receiving transformers, fixed condensers, keys, spark coils, detectors, etc. The book is illustrated by numerous detailed working drawings giving all dimensions. Several full-page views of the apparatus enable the beginner to fully comprehend the text.
*THE MOST THOROUGH AND COMPLETE ELEMENTARY WIRELESS*
*CONSTRUCTION BOOK PUBLISHED*
The pages on the construction and installation of aerials will be found to be of considerable help to the experimenter, for it is here that the most trouble is experienced by the beginner. The practical and helpful information on this subject is alone worth several times the cost of the book.
*PARTIAL CONTENTS*