WITH A COMPLETE DESCRIPTION OF THE NEW WfRELESS LAW
R
_L
FIXED
CONDENSERS
VARIABLE LEYDEN JARS
CONDENSERS OR CONDENSERS
SENDING HELIXES
RECEIVING
TUNER POTENTIOMETER
MAGNETIC CRYSTAL ELECTROLYTIC
DETECTORS BATTERY
HTERY
K
CROSSED JOINED
INDUCTION TRANSFORMER WIRES WIRES
COIL
-f
FUSE LAMP
KEYS
RHEOSTAT
TELEPHONES
Frontispiece. Plate I. Electrical Conventions.
WIRELESS TELEGRAPH
CONSTRUCTION FOR
AMATEURS
BY
ALFRED POWELL MORGAN
EDITOR MECHANICAL AND ELECTRICAL DEPARTMENT OF THE " BOYS* MAGAZINE ' AUTHOR OF "WIRELESS TELEGRAPHY AND TELEPHONY"
WITH 167 ILLUSTRATIONS
Third Edition, Revised and Enlarged
WITH A COMPLETE DESCRIPTION OF THE NEW WIRELESS LAW
NEW YORK:
Copyright, 1910, 1913, by
Stanbope Iprcss
F. H. GILSON COMPANY
BOSTON. U.S.A.
PREFACE.
IN this work, the author has endeavored to present a book embracing practical information for those who may wish to build for private or experimental use a set of wireless instruments which are more than toys but yet not so expensive as the commercial apparatus.
Many books have been published on the subject of wireless telegraphy, but in them the interests of the novice have been rather neglected and in order to build an outfit he has been forced to rely upon a series of disconnected articles published in the amateur periodicals.
It is the object of this book to show the construction of simple, efficien…