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
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......... 111
I44 WIRELESS TELEGRAPHY
a machine whose principles embodied the conclusions of
years of careful thought and scientific effort.
A decade later and aeroplanes have become a living
reality. A man and a little frame of sticks and canvas can
Fig 154.—Fong Yee, a Chinese amateur wireless operator at Oak-
land, Cal., who is also an aviator and has been summoned home
by the republican Chinese government to demonstrate apparatus
of his own invention to the Chinese army.
throw off the fetters of gravity and go soaring dizzily two
miles up into the blue sky, and daring more, come skim-
ming and diving back to earth with motor dead. Such
wonders only came to pass, however, when numbers of
men accepted the problem as one to be solved by trying,
and bent their energies toward its solution. Science has
not reached the limits of its resources. It never will. The