When the effervescence has subsided, enough water is to be added to form a paste of convenient consistence.
Put two pennyworths' lunar caustic (nitrate of silver) into half a tablespoonful of gin, and in a day or two the ink is fit for use. The linen to be marked must first be wet with a strong solution of common soda, and be thoroughly dried before the ink is used upon it. The color will be faint at first, but by exposure to the sun or the fire it will become quite black and very durable.
BLUE MARKING INK FOR WHITE GOODS.
Crystallized nitrate of silver, dram 1 Water of ammonia, drams 3 Crystallized carbonate of soda, dram 1 Powdered gum arabic, drams 1-1/2 Sulphate of copper, grains 30 Distilled water, drams 4
Dissolve the silver salt in the ammonia; dissolve the carbonate of soda, gum arabic, and sulphate of copper in the distilled water, and mix the two solutions together.
BLUE-BLACK WRITING PAPER.
Take of Aleppo galls, bruised, 9 ozs.; bruised
When everyone reads minds, a secret is a danger... Read more
Is The Iron Eagle a psychotic serial killer?
In the fall of 1984, Cold War tensions between... Read more
Author Al Macy is a character and a tightwad wi... Read more
The list of books below is based on the weekly downloads by our users regardless of eReader device or file format.
See more popular titles from this genre.