COHERERS

The phenomena utilized in coherers has been discovered by successive stages. Varley, in working with a system of lightning arrester for telegraph circuits, found that a conducting powder unmixed with insulating powder could not be used, as after the discharge had traversed it the particles were arra...

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Bibliographic Details
Published in:Scientific American Vol. LXXXIII.; no. No. 22.; p. 339
Main Author: BY AUG. RIGHI, PROFESSOR AT THE UNIVERSITY OF BOLOGNA
Format: Magazine Article
Language:English
Published: New York American Periodicals Series II 01-12-1900
Online Access:Get full text
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Summary:The phenomena utilized in coherers has been discovered by successive stages. Varley, in working with a system of lightning arrester for telegraph circuits, found that a conducting powder unmixed with insulating powder could not be used, as after the discharge had traversed it the particles were arranged so as to form a conducting mass. But it was supposed that the heat of the discharge produced the phenomenon...
Bibliography:ObjectType-Article-2
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SourceType-Magazines-1
ISSN:0036-8733
1946-7087