The Polygraphic Apparatus: Or, The Different Departments of Art Carried on in the Imperial Court and Government Printing-office at Vienna

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U.S. Government Printing Office, 1853 - Printing - 51 pages
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Page 49 - Exhibition with a degree of splendour which has caused general surprise. No less encouraged in our day by its present sovereign, the Imperial Printing-office of Austria has proved itself equal to its duties, and has accelerated the progress of the art by numerous experiments of all kinds. Xylography, engraving...
Page 51 - The plate, on which must be placed filings of fusible metal, is then heated by means of a spirit-lamp, or any convenient means, until the fusible metal has filled up all the engraving; and when cold, it is scraped down to the level of the...
Page 51 - Ihe fusible metal has hecome united, is then submitted to the aetion of a weak solution of muriatie aeid, and as of these two metals the one is negative, and the other positive, the zinc alone is eaten away...
Page 49 - S40 square inches, formed by the galvanie process, and producing, in copper, letters of all languages, from which many millions of copies may be printed without...
Page 51 - ... groups together so as to construct any Chinese word. The number of points and strokes is about inn, and they appear to be a most complete system of Chinese typography.
Page 17 - A history, eritieal and philologieal, of all the Versions of the Saered Seriptures, in every language and dialeet into whieh tr.Mi.ljti'in.i hare been made: with speeimen portions in their own eharaeters ; and ethnographieal maps.

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