Hertzian Wave Wireless Telegraphy
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- Pages
- 71
About this book
Messages crossing the sea without connecting wires posed a fresh challenge for electrical explanation. J. A. Fleming explains the electrical principles behind that feat in articles first published in 1903. Writing for readers who know the basics of electricity, he follows a signal from its production as electric waves to its detection and interpretation through the Morse code. A lighthouse siren provides an early comparison, showing how repeated pulses can carry information through space.
The discussion moves through transmitting apparatus, aerials, the earth's role in communication, and devices for detecting incoming waves. Fleming also explains the electronic theory and the ether hypothesis through which he describes these effects. His account offers readers interested in the history of physics and engineering a close view of early wireless reasoning, with technical detail and physical analogies taking the place of newspaper excitement about the new technology.
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Book facts
- Author
- J. A. Fleming
- Reading time
- About 4 hours
- Pages
- 71
- Language
- English
- Genre
- Engineering
- Formats
- PDF, EPUB, Read online