Doodles, Drafts, and Designs: Industrial Drawings from the Smithsonian

Enterprise Oil Burners for Perfect Combustion
San Francisco, 1931

Suitable for homes, factories, yachts, and steamers, Enterprise oil burners are “hotter than Hades.” The inside copy attributes the growing popularity of oil-burning equipment to “permanently reduced prices of fuel oil and the apparently inexhaustible fields of petroleum.”