Flame, electricity and the camera; man's progress from the first kindling of fire to the wireless telegraph and the photography of color (1900)
Iles, George, 1852-1942 · New York, Doubleday & McClure co. · leaf 134
Eiec- , , uir ^1 li- tricity and Magnetism morsels of gold-leaf oppositely electri- Detected, fled, and the clashing of steel oppositelymagnetised? Orsted answered this question in 1820, ashe deflected a compass-needle, ab, by a wire, NS, convey-ing a current (Fig. 28).Ampere, in a series… … Fig. 28.Orsteds experiment. the poising of a coil of wire, compass-fashion, so as topermit the utmost freedom of movement; when a currentwas sent through this coil it took up a north-and-southposition, attracted iron tacks and filings, and attracted or 104 THE PRODUCTION OF ELECTRICITY repelled a…
Fire · Electricity · Color photography
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