Made at the Writing Desk from 1 Alchemy Flasks I, 5 Clean Paper and 1 Ink. Sold by the Alchemist. A chest in the Alchemy Lab holds it when the game starts. Each one loaded into the Study Table adds 30 Science.
Each trader above shows what it pays for one while it holds its usual stock. Each one it already holds beyond that, and each one in the same sale, lowers the price; a trader short of stock pays more, never more than its base price.