Entitled "How the Microscope Reveals Adulteration," photographic reproduction depicts arrowroot adulterated with rice starch. Both under magnification, the left image illustrates rice starch with the right side showing arrowroot. The middle section illustrates a mixture of starch granules from rice and arrowroot.

This plate is found within The Romance of Modern Chemistry, which is a layman's introduction to topics in chemistry. Includes a history of chemistry along with alchemy and the philosopher's stone; elements including organic, invisible, metals, acids, alkalies, and water; chemical changes such as fire, freezing and explosions; chemistry of the stars; food; electricity; solutions and crystals; as well as discoveries in chemistry.