This circa-1932 booklet from the Hudson Coal Company outlines the benefits of heating with coal. As the foreword says, "Science has made remarkable strides in the past few years in perfecting new equipment that has made anthracite the ideal automatic fuel. Everyone is familiar with the heating value and safety of anthracite. This little booklet describes briefly some recent inventions for obtaining automatic heat with anthracite and tells how they can save you money, work, and worry."
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).
This document contains the combustion chamber assembly instructions for the HB Smith Series 45 Mills Water-Tube Boiler for automatic firing with oil or gas (Steam, Vapor,...