A history of electricity : the intellectual rise in electricity from antiquity to the days of Benjamin Franklin (1898)
Benjamin, Park, 1849-1922 · New York : J. Wiley & Sons · leaf 368
ELD. 363 imaginary spirals were urged were exactly mapped by theiron filings, a purely physical observation. The chieffeatures of the field of force had been observed. Theroute of new discovery now lay toward its properties. When Descartes reaches the electrics he shows someunwillingness to… … 1-^7 DESCARTES REPRESENTATION OF THE MAGNETIC FIELD. do so—and then (lame and impotent conclusion for theman whose mind was the reverse of the Baconian medal)he is not fully certain why they act as they do until heshall have made several expeimieiits to discover theirnature. Experiments! and by the…
Electricity · Magnetism
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