Historic Steam Engine Boiler System Diagram - Engineering Illustration #309512 (License: Personal Use)

This black-and-white engineering schematic depicts a vertical fire-tube boiler housed within a brick enclosure, complete with feedwater inlet, steam outlet, pressure relief valve, and ash pit. The diagram includes labeled components such as the manhole cover, water gauge glass, and chimney draft system, illustrating operational safety and thermal efficiency principles of early industrial steam power. Annotations indicate flow direction and structural supports, emphasizing mechanical integrity and maintenance access.

Used in educational resources, museum exhibits, or historical engineering articles to explain steam technology evolution; targets users researching industrial revolution machinery, boiler design, or heritage engineering systems.