This section is from the book "The English And American Mechanic", by B. Frank Van Cleve. Also available from Amazon: The English And American Mechanic.
1. Juice Of Sloes, 1 Pint; Gum, ½ An Ounce. This Requires No "Preparation" Or Mordant, And Is Very Durable. 2. Nitrate Of Silver, 1 Part; Water, 6 Parts; Gum, 1 Part. Dissolve.
Lunar caustic, 2 parts; sap green and gum arabic, each 1 part; dissolve with distilled water. The " Preparation." - Soda, 1 ounce; water, 1 pint; sap green, ½ drachm. Dissolve, and wet the article to be marked, then dry and apply the ink.
Pitch, 11 parts; lampblack, 1 part; turpentine sufficient. Warm and stir.
Add 1 oz. of sugar to a pint of ordinary ink.
 
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