 | William Kirby Sullivan - 1854 - 616 pagina’s
...acid, or it may be slightly wetted with either of these acidi diluted, and the acid then well wiped from the surface. Afterwards it is laid upon a piece...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressing, as the wood is not in the least injured by... | |
 | 1854 - 688 pagina’s
...which is, of course, quite invisible; but by exposing this impression, immediately after, to theaction of a strong heat, a most perfect and beautiful representation...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressively, as the wood is not in the least injured by... | |
 | Perry Fairfax Nursey - 1854 - 664 pagina’s
...most perfect and beautiful representation of the printing wood instantaneously appears. In the fame way, with the same plate of wood, without any other...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressively, as the wood is not in the least injured by... | |
 | 1854 - 670 pagina’s
...most perfect and beautiful representation of the printing wood instantaneously appears. In the fame way, with the same plate of wood, without any other...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressively, as the wood is not in the least injured by... | |
 | Charles W. Vincent, James Mason - 1855 - 314 pagina’s
...acid, or it may be slightly wetted with either of these acids diluted, and the acid then well wiped from the surface. Afterwards it is laid upon a piece...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressing, as the wood is not in the least injured by... | |
 | 1855 - 334 pagina’s
...acid, or it may be slightly wetted with either of these acids diluted, and the acid then well wiped from the surface. Afterwards it is laid upon a piece...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressing, as the wood is not in the least injured by... | |
 | William Kirby Sullivan - 1854 - 820 pagina’s
...strong heat, a most perfect and beautiful representation of the printing wood instantaneously appcnrs. In the same way, with the same plate of wood, without...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressing, as the wood is not in the least injured by... | |
 | Seba Smith, Elizabeth Oakes Prince Smith - 1856 - 592 pagina’s
...iKijier, or common wood, and by a Hlrol;e of the press an impression is taken, which is quite invimblö ; but by exposing this impression immediately after...preparation, a number of impressions, about twenty or Hi-ice, may be taken. Ail these impresiona *hu\va, general wood like tint, most natural for light colored... | |
 | Universal decorator - 1859 - 232 pagina’s
...hydrochloric or sulphuric acid,* or I slightly wet it with either of these acids diluted, and then wipe the acid off from the surface. Afterwards it...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressively, as the wood is not in the least injured by... | |
 | Andrew Ure - 1867 - 1144 pagina’s
...an impression is taken, but which is quite invisible ; now by exposing this impression immediately to the action of a strong heat, a most perfect and...and the impressions faint, the acidification of the plate must be repeated as above, and so on progressively, as the wood is not in the least injured by... | |
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I slightly wet it with either of these acids diluted, and then well wipe the acid off from the surface. Afterwards it is laid upon a piece of calico or paper, or common wood, and by a stroke of the press an impression is taken, which is, of course, quite... 