English: Oil wells in Baku, Azerbaijan. Illustration entitled "Where it Rains Petroleum" from The Romance of Modern Chemistry by James Charles Philip. London, England, 1909.

Illustration depicts oil wells in Baku, Azerbaijan. One oil well spews petroleum with workers and onlookers seen throughout the landscape. The caption reads: "Where it Rains Petroleum. The illustration shows one of the oil wells or 'gushers' at Baku in full swing. The petroleum gushes up like a fountain and then falls into one of the ponds prepared to receive it."

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.