An allegorical illustration across a two-page spread depicting a man holding chemical glassware representing chemical science on one side with a man reading a book representing organized knowledge on the other side. Banner underneath each illustration reads together as "The Grasselli Chemical Company; chemical science is organized knowledge."

This illustration comes from the chemical catalog for the Grasselli Chemical Company in Cleveland, Ohio. It includes a short company history, a list of chemicals manufactured by the company, and summaries on the history and use of some of the chemicals. Throughout the pamphlet there are allegorical illustrations in the art nouveau style. Many of the illustrations are signed C. H. Crittenden.