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
F
Faraday, Michael, 29.
Fessenden wireless telephone,
128.
Field, electrostatic, 29.
magnetic, 30, 32.
Flat top aerials, 18, 19, 22.
Fong Yee, 144.
Forests, effects of, 14.
Fort Gibbons, station at, 14, 77.
Frequency, 38.
Fuller cells, 27.
G
Galena, 52, 58.
Germania, 122.
Government stations, ranges of,
141.
Ground, 8.
effect of, 12.
H
Harmonics of voice, 129.
Heat, 3.
Helix, 27, 41, 42.
loose, coupled, 72.
Herald press station, 94, 96.
Hertz, Heinrich, 137.
Hertzian waves, 124, 138.
Hot wire ammeter, 73, 74.
Hysteresis, 67.
I
Inductance, 42, 64, 132.
Induction coil, 27, 28, 50.
I5I
coil, principle of, 31, 32,
33-
coil, purpose of, 7.
magnetic, 29.
Interrupter, 33, 36.
electrolytic, 34, 35.
Insulator, aerial, 25.
leading-in, 25.
Inverted pyramid aerial, 181, 191.
Ionization of air, 14.
Ions, 135.
Iron pyrites, 10, 52, 56.
K
Key, 27, 45, 46, 47, 50.
Koenig’s apparatus, in.
L
Langley, 143.
Larynx, no.
Lead-in, 26.
Leyden jar, 4.
capacity of, 8.
discharge of, 4, 5.
Navy type, 6.
set, 38.
Light, transmission of, 3.
nature of, 3.
Lightning, 13, 16, 17.
Loop aerial, 24, 47.
Loose coupler, 72, 75.
M
Magnet, 29.
Magnetic field, 30, 32, 38, 132.
induction, 29.