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 137
Fig. 27.Voltas crown of cups. … Fig. 35.Faradays magneto-electric machine. THE FIRST DYNAMO 107 nicely poised. Faraday developed the converse truth—that a magnet moved near a conductor induces a currenttherein. That here was a means of generating electricityby mechanical means he at once proceeded to show. Adisc of copper a foot…
Fire · Electricity · Color photography
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
