Thanks to John Van Hoesen for finding and sharing this interesting article about how to fire a steam boiler in an elementary school, circa 1916. It urges the fireman to keep a log of the time, the outdoor temperature, and the pressure on the boiler. Wonderfully simple!
This document contains the complete illustrated instructions for installing the Hercules Steam and Hot Water Heating System, a boiler manufactured by Sears, Roebuck and C...
This document contains the manufacturer's instructions for the HB Smith Series M450L Mills Water-Tube Boiler for automatic firing with oil or gas (Steam, Vapor, or Water ...
This document contains the jacket assembly instructions for the HB Smith Series 45 Mills Boiler (circa 1979).