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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INDEX
153
Silicon, io? 52, 57.
Simon, 121.
Smith, Willoughby, 116.
Sound, 53, 166, 107, 108.
musical, 108.
noise, 108.
timbre, no.
waves, 109.
Spark, anchor gap, 45, 46, 47.
discharge, 4.
from Tesla transformer, 147.
gap, 8, 27, 42, 62.
induction coil, 34.
quenched gap, 45.
rotary gap, 43, 44.
Speaking arc, I2I, 122.
Speech, 11.
Static, 15.
machine, 4.
Station, amateur, 11, 23, 26, 138.
Atlantic seaboard, 15.
determination of, 21.
Fort Gibbons, 14, 77.
.Herald, 94, 96.
Marconi, 62.
maritime, 84.
Nauen, 100, 104.
Navy stations, 16, 17.
Pacific coast, 15.
radio-telegraphic, 12.
Storage cells, 27.
Straightaway aerial, 24.
Strain, electrostatic, 6, 7, 8, 29.
Sunlight, effects of, upon trans-
mission, 14.
Switch, aerial, 44, 45, 46.
T
“T” aerial, 21.
Taintcr’s photophone,'116.
Telefunken wireless cart, 84, 85,
87.
Telephone, 114.
Telephone receiver, 52, 53, 66,
II5-
Pickard, 53.
Telephone transmitter, 114, 115.
Tesla. 146.
transformer, 147.
world power plant, 145.
Test, buzzer, 48.
Thermophone, 119, 120.
Thunder, 16.
Timbre, no.
Titanic disaster, 87.
Transformer, 27, 29.
closed core, 35.
coi’e, 36.
high potential, 37.
humming type, 37.
open core, 35.
purpose of, 7.
Transmission of wireless mes-
sages, effects of sunlight
upon, 14.
effects of locality upon, 15.
by Army, 8g.
by Navy, 138.
music, 135.
principles of, 2.
Transmitter, Majorana, 133, 134.
purpose of, 12.
simple, 7.
Telefunken, 84.
telephone, 114, 115.
wireless telephone, 133.
Transmitting, apparatus, 27.
condenser, 77.
portable pack set, 50.
Tuning, 60, 6i, 62, 63, 68.