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The Invention of Lithography
img img The Invention of Lithography img Chapter 13 THE ACIDS SPECIFICALLY
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Chapter 13 THE ACIDS SPECIFICALLY

Nitric acid or aquafortis, muriatic acid, vinegar, tartaric acid, and acid of wood sorrel, all have nearly similar effects, but aquafortis and muriatic acid are used because of their greater cheapness.

Oil of vitriol or sulphuric acid, very much diluted with water, is available for light but not for extensive etching, because it transforms the s

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