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.
84
WIRELESS TELEGRAPHY
is justified. And there must inevitably come the time
when our merchant marine and wireless service will come
under such reasonable regulation that it will be removed
from any dependence upon stock jobbing wireless tele-
graph and telephone companies.
Official sources show that the equipping of sea-going
Fig. ioi.—Telefunken wireless cart, showing transmitter.
vessels with wireless apparatus is progressing at a rapid
rate and it is not difficult in the face of certain facts
to appreciate the enormous volume of business that sooner
or later will be handled by wireless. Three hundred and
sixty-three United States naval vessels and about eight
hundred merchant vessels are equipped at this writing.
The large number of commercial shore stations, army forts
and posts, and those used by corporations, isolated stations,
etc., for various private purposes comprise a list which
reaches an enormous total.
Whatever may have been the status of wireless previous