Entitled "A Dangerous Area," photographic reproduction depicts a dynamite factory located in Cornwall, England. Accompanying text states how mounds help to localize damage in the case of an explosion. Pipes transport water and acids to separate sheds.

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.