Take a pound of whight wex, and throwe therinne a quartroun of terbentyne […] Thanne loke thou have redy oz. 1 of vermyloun, smal grounde, al so smal as ony poudre
– BL Sloane 73, f. 173v
To produce sealing wax: 16 parts beeswax, 4 parts rosin [Jousihartsi] and 1 part colouring. Melt wax, add rosin, don’t boil. I plan to seal 12 flasks of springwaters I’ve collected over the years. Recipe via On Making Wax Seals (2016). An other source with more modern Sealing wax (1998).