Standards of the National Board of Fire Underwriters for the Installation of Oil Burning Equipments as Recommended by the National Fire Protection Association, 1941. Thanks to Larry Sperling for scanning and sharing this with us.
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).