Young's Demonstrative Translation of Scientific Secrets by Daniel Young
page 5 of 236 (02%)
page 5 of 236 (02%)
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5. TRANSFER PAINTING ON WOOD By this you may transfer any picture you please from paper to a cutter back, or any other substance you please. Give the board three coats of white spirit varnish, receipt No. 4; damp the back of the print with strong vinegar; give the front a very heavy coat of the transfer varnish, receipt No. 3; then press it on the board, avoiding creases; when perfectly dry and fast, rub the paper away; the print is indelibly fixed; then varnish it over as you would any other painting. This receipt has been commonly sold for $5. 6. ELECTRO GOLD PLATING--NEW METHOD Take 100 grams of laminated gold, mixed with 20 grams of hydrochloric acid; 10 grams of nitric acid; the liquid thus composed is placed over a moderate fire, and stirred constantly until the gold passes into the state of chlorine; it is then allowed to cool. A second liquid is formed by dissolving 60 grams of cyanide of potassium in 80 grams of distilled waters; the two liquids are mixed together in a decanter and stirred for 20 minutes, and then filtered. Finally 100 grams of whiting, dry and sifted, are mixed with 5 grams of pulverised supertartrate of potass; this new powder is dissolved in a portion of the above described liquid, in sufficient quantity to form a paste of the proper consistency to be spread with a pencil on the article or part to be gilded. The superabundant powder is then removed by washing and the article is beautifully gilded with a heavy or light coat, according to the |
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