Nikola Tesla on His Work with Alternating Currents and Their Application to Wireless Telegraphy, Telephony, and Transmission of Power: An Extended Interview

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21st Century Books, 2002 - Biography & Autobiography - 258 pages
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Part one of the Tesla Presents series, this book contains the transcript of an extended pre-hearing interview with Nikola Tesla in which he chronicals his efforts directed towards the development of an earth-based system for wireless telecommunications. An Appendex section includes the description of a physical plant built for this purpose in 1901 as reported in foreclosure appeal proceedings. 103 photos and line-art illustrations, indexed.
 

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Contents

Section
1
Diagrammatic illustration of first high frequency alternator with 384 poles
4
Photographic view of alternator shown in Fig 1
7
Vacuum tubes lighted in alternating electrostatic field
8
Experiments with Wireless Telegraphy and Telephony
9
Illustrating various ways of using a high frequency alternator
10
Diagram of the second machine built with no wire on the rotating part
13
Photograph of machine covered by U S Patent No 447921
16
Apparatus and method of conversion by condenser discharges both AD and DC
69
Illustrating one of the early experiments with a tuned transformer
70
Apparatus illustrating the first step in the evolution of the magnifying transmitter
73
One of many forms of mercury circuit controllers described in various U S Patents
76
Diagrammatic illustrations of hermetically enclosed mercury break
78
Large mercury circuit controller of high frequency communications experiments
79
Interior arrangement of large mercury circuit controller of very high frequency
80
Special type of high frequency transformer
82

Diagrammatic drawing of the third and larger machine with 480 poles
18
Photographic view of alternator covered by U S Patent No 447921
19
Small alternator of very high frequency built for purposes of investigation receivers
20
Diagrammatic illustration of machine with rotating magnetic field excitation
22
Instrument to receive radio waves of 18961899 structure
25
Electrical condenser described in U S Patent No 464667
30
Hlectrical condenser described in U S Patent No 567818
31
Improved form of electrolyte condenser as used in N Y C laboratories
33
Apparatus for manufacture of condensers and coils to exclude air
34
Mechanical and Electrical Oscillators
36
Mechanical oscillator with air spring combined with electric generator
37
Another mechanical oscillator with controlling electromagnetic system
38
Another type of small mechanical electromagnetically controlled oscillator
39
Large electromechanical oscillator for generating isochronous oscillations
40
Double compound electromechanical isochronous oscillator
41
Diagram of double compound electromechanical isochronous oscillator
42
Large mechanical and electrical isochronous oscillator with four vibrating parts
43
Diagram showing length of section of large mechanical and electrical oscillator
44
Small high frequency mechanical and electrical oscillator used in many investigations
45
Diagram of small high frequency electromechanical and electrical oscillator
46
Apparatus for Transformation by Condenser Discharges
48
Method of transformation of electrical energy by oscillatory condenser discharges
49
Series quenched spark gap
50
Discharger working in hydrogen rich atmosphere still further weakened by heat
51
Oscillatory apparatus with interrupter in oil
53
Apparatus with mechanical break as installed on a large scale in the N Y C labs
55
Isochronous mechanical break used in 35 So Fifth Avenue laboratory
57
Mechanical break with two oppositely rotating discs
58
Use of multiphase generator with mechanical break
60
Apparatus furnishing direct currents of high tension
63
Illustrating forms of vacuum tubes
83
Resonant wireless transmitting circuit
84
Experiments illustrating transmission and transformation of energy through one wire
86
Some of the most striking experiments with vacuum tubes and lamps
87
Colorado Experiments
88
Another experiment with same apparatus in which the coil is not direcdy connected
89
Oscillating apparatus on large scale with which the preceding experiments were made
91
Experiment with coils tuned to harmonics
92
Transmission of energy with tuned system by induction
93
Illustrating an experiment with high frequency alternator and tuned circuit
94
Striking experiment in the transmission of energy by electromagnetic waves
95
An important experiment in the transmission of energy performed in 1899
96
Perfected system of wireless transmission with four tuned circuits
98
Diagrams illustrating system of fourtuned circuits for wireless transmission
101
Differences between Tesla apparatus and typical Hertz wave arrangements
104
Powerful discharge from transmitter built following principles set forth Ill 69 Experiment bearing upon design principles embodied in Tesla transmitt...
113
Experiment conveying idea of great quantity of electricity set in movement
114
Wireless station at where experiments were performed
116
Experimental station at Colorado in a later phase of development
117
Experimental station at Colorado showing investigative structure
118
Discharge of a powerful transmitter under a pressure of 12 million volts
121
Another discharge remarkable for symmetry at Colorado plant
122
Theory and Technique of Energy Transmission
125
Long Island Plant
148
Arrangements for Receiving
157
RediscussionClarification of Selected Remarks
171
Appendix
181
Index
237
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