Chapter XXXIII Of Every Sort of Glue for a Picture of Gold
If you have not a bladder (of the sturgeon), cut up thick parchment or vellum in the same manner,—wash and cook it. Prepare also the skin of an eel carefully scraped, cut up and washed in the same manner. Prepare thus also the bones of the head of the wolf-fish washed and dried, carefully washed in water three times. To whichever of these you have prepared, add a third part of very transparent gum, simmer it a little, and you can keep it as long as you wish.