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 138
ityas an agent forcommon, every-day tasks—someof them, indeed,once within theexclusive provinceof fire itself. In embodyingFaradays discov-ery in a machineof the best design, the first step was taken when Dr. Pacinotti,of the University of Pisa, in i860 shaped an armature intothe form of a ring.… … Fig. 36.Gramme Machine. 108 THE PRODUCTION OF ELECTRICITY S, a current is generated in the wire surrounding the ring,which current is carried off by the wires shown just withinthe ring. We should note in passing that Faradays model is ca-pable of rotation if a current be applied at its rim and…
Fire · Electricity · Color photography
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