Triumphs and wonders of the 19th century, the true mirror of a phenomenal era, a volume of original, entertaining and instructive historic and descriptive writings, showing the many and marvellous achievements which distinguish an hundred years of material, intellectual, social and moral progress .. (1899)
Boyd, James Penny, 1836-1910 · Philadelphia, Pa., A. J. Holman & Co · leaf 46
ne, in army and navy ; throughout gov-ernment departments ; and in Budapest, Hungary, it is a purveyor of generalnews, like the newspaper, for the Telephone Gazette of that city has alist of regular subscribers, to whom it transmits, at private houses, clubs,cafes, restaurants, and public… … WONDERS OF ELECTRICITY 35 not only an instrument for writing or preserving sound, but for reproducing it. As a simple recorder of sound, it was an instrument dating as far back as1807, when Dr. Young showed how a tuning-fork might be made to trace arecord of its own vibrations. But Youngsthought…
Progress · Inventions
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