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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 646

An illustration from 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, leaf 646
raised in sufficient relief to print from, the letteringbeing done with a greasy writing substance that repelled the acid. Laterexperiments proved that the eating away of the stone was not necessary ifthe design were made with an oily material and the rest of the surface keptmoist with a weak… … PHOTOGRAPHIC VIEW OF NEW YORK CITY AND HUDSON RIVER, TAKEN FROM2GTII STORY OP PARK ROW BUILDING. to wear out as the relief designs. Senefelder died in 1824, living longenough to see his invention in use throughout the world, although of coursehe coulcl not know the improvements that photography…

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