The Earliest Electromagnetic Instruments
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The paper says the history of the early stages of electromagnetic instrumentation is traced through the men who devised the theories and constructed the instruments. The paper adds that, despite the many uses of voltaic cells after Volta's announcement of his "pile" invention in 1800, two decades passed before Oersted discovered the magnetic effects of a voltaic circuit.
Within a five-month period, three men, apparently independently, announced the invention of the "first" electromagnetic instrument, and the article details the merits of their claims to priority. A figure shows models of various electromagnetic instruments created by Schweigger, Poggendorf and Cumming in 1821. The contents list Oersted's Discovery, Beginnings of Electromagnetic Instrumentation, Chronology and Priority and Original Electromagnetic Multipliers, among others.
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Book facts
- Author
- Robert A. Chipman
- Pages
- 20
- Language
- English
- Genre
- Engineering
- Formats
- PDF, EPUB, Read online