VI.—Mix equal parts of borax and water.
Both these fluids, V and VI, must be used with a fine-pointed pen; a pen with a blunt point will not work well.
Drawing Inks:
Blue Ruling Ink.
Black Ruling Ink.
Carbon Ink.
Carmine.
Liquid Indelible Drawing Ink.
Glass, Celluloid, And Metal Inks:
See also Etching.