Basic Permanent Black Ink:
1 egg yolk
1 tsp gum arabic
1/2 cup honey
1/2 tsp lamp black (buy in a tube or make by holding a plate over a lit
candle)
Mix egg yolk, gum arabic and honey in a small bowl. Add lamp black to
make a thick paste. Store in a jar. To use, mix a little paste w/ a
little water to make a fluid.

Prussian Blue Ink:
Dissolve Prussian Blue (available as laundry bluing) in water. Makes a
rich blue ink.

Brown Ink:
1/2 cup boiling water
4-5 teabags (or 4 tsp of loose tea)
1 tsp gum arabic
Pour boiling water over the tea bags in a large bowl, add gum arabic.
Steep for 15 minutes.Squeeze teabags to extract as much tannic acid as
possible. Strain and allow to cool before bottling. Use with a
paintbrush or quill pen, etc.