Art Supplies:

Leaf
Gold and silver leaf, hand beaten in India.
Pigments
John has many different colors of pigments.
Media
Gum arabic Powder, rabbit skin glue, bole...
Parchment and Vellum
Contacting info about a good parchment maker, and English vellum.
Other
Ink making supplies and mixing shells.
Colorsheet
Mistress Roxanne's colorsheet of John's pigments.

Art Supplies

To make oak gall ink, you make a strong tea from the crush gall nuts, strain it, and add copperas solution and gum water. For a more detailed description, goto The Boke of Knowledge.

§CRS:Copperas
This needs a description, John. You basically want to say: this product is this, it does this, it is/is not period, it was used by these guys during whatever time, etc.  Don't eat this stuff! It is iron sulfate, not especially bad for you (it's in your multivitamins in tiny amounts), but wash up when done.

GAL:Gall nuts 5-6 $1
This needs a description, John. You basically want to say: this product is this, it does this, it is/is not period, it was used by these guys during whatever time, etc.  

GAP:Gum Arabic Powder
This needs a description, John. You basically want to say: this product is this, it does this, it is/is not period, it was used by these guys during whatever time, etc.  

SHL:Limpet Shells
This needs a description, John. You basically want to say: this product is this, it does this, it is/is not period, it was used by these guys during whatever time, etc.  

See a Picture:

CRS:
Brief description, date picture was taken, in italics.
GAL:
Brief description, date picture was taken, in italics.
GAP:
Brief description, date picture was taken, in italics.
SHL:
Brief description, date picture was taken, in italics.