Young's Demonstrative Translation of Scientific Secrets / Or, A Collection of Above 500 Useful Receipts on a Variety of Subjects

by Daniel Young

37. BLACK INK WITHOUT SEDIMENT

This ink is not injured by frost—is a beautiful article, and only costs 5 cents. per gallon, and is sold for from $1 to $3. Take 1 lb. logwood, 1 gallon soft water, simmer in an iron vessel for one hour, then dissolve in a little hot water 24 grains bychromate of potash, and 12 grains prussiate of potash, and stir into the liquid while over the fire, then take it off and strain it through fine cloth. This ink is a jet black flows freely from the pen and will stand the test of oexylic acid.