Triumphs and wonders of the 19th century, a volume of original, historic and descriptive writings showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress (1901)
Boyd, James Penny, 1836-1910 · Philadelphia, A. J. Holman & co · leaf 37
ells. During Faradays time and subsequently, electricians in Europe and theUnited States were active in formulating further laws relative to the nature,strength, and control of electrical currents, and each year was one of prepara-tion for the coming leap of electrical science into the vast realm… … MAGNETIC F1KLDS OF FORCE. WONDERS OF ELECTRICITY 27
Progress · Inventions
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