Wireless Telegraphy and Telephony
Forfatter: Alfred P. Morgan
År: 1917
Forlag: The Norman W. Henley Publishing Company
Sted: New York
Udgave: Third Edition, Fully Illustrated
Sider: 33
UDK: 621.396.1 Mor
A practical Treatise on Wireless Telegraphy and Telephony, giving Complete and Detailed Explanations of the Theory and Practice of Modern Radio Apparatus and its Present Day Applications, together with a chapter on the possibilities of its Future Development
Søgning i bogen
Den bedste måde at søge i bogen er ved at downloade PDF'en og søge i den.
Derved får du fremhævet ordene visuelt direkte på billedet af siden.
Digitaliseret bog
Bogens tekst er maskinlæst, så der kan være en del fejl og mangler.
98
WIRELESS TELEGRAPHY
and have installed outfits for the assistance of their report-
ing bureau. This innovation in modern journalism has
quickly developed into a useful feature of those publications
which have seen fit to adopt it. When the baseball season
is under way every steamship within calling distance wants
the latest baseball scores or sporting results.
> Fig. i 14.—Morse code.
Railroads have found an auxiliary wireless service to be
of the utmost value in relieving the heavily loaded wire
lines between important centers. During some of the win-
ter storms and blizzards, when miles of wires were down
in all directions, wireless has been the sole means of com-
munication in certain instances.
The process of sending a wireless message is very simple.
The aerial switch is usually kept in such a position that the