Handbook for Heating and Ventilating Engineers was written by James D. Hoffman and published in 1920. This is the Fourth Edition. It states, "Changes in the art of heating and ventilating buildings have been so pronounced in the last few years that it has been considered advisable to entirely reconstruct the Handbook rather than to make additions to the old text." To access this book online, click here.
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).