Signalling acros
Signalling across space without wires being a description of the work of Hertz & his successors
作者：Lodge, Oliver, Sir, 1851-1940
体例：题 章数：35
字数：195,124 来源：Project Gutenberg
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cache/epub/69253/pg69253.txt（Project Gutenberg）
章节目录
共 35 题- SIGNALLING ACROSS SPACE WITHOUT WIRES.
- WORKS BY DR. O. J. LODGE.
- TABLE OF CONTENTS.
- 7. PHOTO-ELECTRIC RESEARCHES OF PROFESSOR RIGHI 127
- SIGNALLING THROUGH SPACE WITHOUT WIRES.
- THE WORK OF HERTZ AND SOME OF HIS SUCCESSORS.
- OPTICAL EXPERIMENTS.
- END OF LECTURE.
- NOTE WITH REFERENCE TO ELECTRIC WAVES ON WIRES.
- FURTHER DEVELOPMENTS IN THE TELEGRAPHIC DIRECTION.
- SYNTONIC TELEGRAPHY.
- EARLIER TELEGRAPHIC ADVANCES.
- The following extracts from this paper may also be quoted:--
- THE HISTORY OF THE COHERER PRINCIPLE.
- APPENDIX I.
- PROF. HUGHES’S OBSERVATIONS.
- J. J. FAHIE.
- APPENDIX II.
- VARIATIONS OF CONDUCTIVITY UNDER ELECTRICAL INFLUENCE.
- ZINC FILINGS.
- APPENDIX III.
- CURIOUS EFFECTS OF HERTZIAN WAVES.
- Dr. Morton’s communication is as follows:--
- HERTZIAN WAVES, CARBON MICROPHONES AND “COHERERS.”
- APPENDIX IV.
- ON THE DISELECTRIFICATION OF METALS AND OTHER BODIES BY LIGHT.
- APPENDIX V.
- PHOTO-ELECTRIC RESEARCHES OF M. AUGUSTE RIGHI.[40]
- APPENDIX VI.
- ELLIPTICALLY POLARISED ELECTRIC RADIATION.
- APPENDIX VII.
- BY M. BIRKELAND.
- 1. A massive cylinder of soft iron.
- 2. A bundle of fine iron wires embedded in paraffin.
- Then for control experiments:--