Etching and other graphic arts : an illustrated treatise (1922)
Plowman, George Taylor, 1869-1932 · New York : Dodd, Mead and Co. · leaf 142
the pro-portion is three parts of pure nitric acid of aspecific gravity of 1.42 and 5 parts of water.Many use distilled water. For zinc or steelone part of acid to seven parts of water shouldbe used. Never use the same acid for zincand copper. In mixing, always remember to add theacid to the water.… … HOTEL DE SENS, PARIS An Etching by the Author OTHER GRAPHIC ARTS 81 the acid before using. This makes it workbetter. Always have beside the bath a basinof clean water to wash the plate in and alsoto wash off any acid from the fingers. Havea bottle of ammonia handy, in case acid getson the clothes.…
Etching · Prints · Drawing · Engraving
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