The Moline System of Heating was a famous vapor heating system, named for the Illinois city. There is no date on this booklet, but it is probably from around 1915. Special thanks to Gerry Gill for the hard work he put into finding the Moline patents, which are also 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).