Handbook of Lithography a Practical Treatise for All Who Are Interested in the
Handbook of Lithography a Practical Treatise for All Who Are Interested in the
David Cumming
The book Handbook of Lithography a Practical Treatise for All Who Are Interested in the was written by author David Cumming Here you can read free online of Handbook of Lithography a Practical Treatise for All Who Are Interested in the book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Handbook of Lithography a Practical Treatise for All Who Are Interested in the a good or bad book?
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This solution should be tested on the corner of the stone, and should show just the slightest amount of effervescence. It is now spread quite freely over the whole stone by means of a flat, four or five F 82 HANDBOOK OF LITHOGRAPHY inch wide camel-hair brush. After passing the brush two or three times over the stone, and giving the darker shaded parts an extra application, it is raised on its edge, and put in a sloped position against a wall, face out, and left all night. The superfluous soluti...on runs off, and the remainder dries on the stone's surface, chemically preparing it for rolling up by the printer. ^ &M~^ Wa. *^^^^^J:V^ The acid strength of the solution is of the greatest importance, and should vary a little according to the nature of the work drawn. If effervescence is brisk, there is too much acid, and more gum must be added. On the other hand, if there is no effervescence, there is not sufficient acid to prepare the stone properly, and the work, if etched with this, would come flat.
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