The invention of printing : a collection of facts and opinions descriptive of early prints and playing cards, the block-books of the fifteenth century, the legend of Lourens Janszoon Coster, of Haarlem, and the work of John Gutenberg and his associates (1878)
De Vinne, Theodore Low, 1828-1914 · New York : F. Hart · leaf 28
its the use of fine shades and tints which cannot beproduced on wood or on copper. The transferred lines ofthe design cling to and dry upon the surface of the stone,which is then subjected to the action of a weak acid, whichhardens the ink in the transferred lines, while it slightlyetches and… … Surface Exposed to Impression by the Copper-plate Method. The entire surface of the plate is covered with ink until the white lines are filled. Thesurface around the figures is wiped clean before the impression is taken. 1876 Surface Inked and Exposed to Impression by the Typographic Methx£f
Printing -- History Origin and antecedents
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