This device, patented in 1905, is similar to the Honeywell Heat Generator. Thanks to Gerry Gill for finding and sharing it. Gerry points out that Lewis Eeggleston went on to become a heating engineer/inventor with numerous patents for both the American Radiator Company and the Detroit Lubricator Company.
The Improved Webster Type "R" System of Steam Heating is a service bulletin from Warren Webster and Company (The Pioneers of Vacuum Steam Heating), established in 1888.
This manual was created by O-E Specialty Manufacturing Co. and outlines how to install the "O-E" Perfect System, which is a Vapor Vacuum heating system.
Here is the original Installation and Operating Instructions and Parts List for The H.B. Smith Company's Oil Fired Cast Iron Hot Water Boilers (No. OHB-13W). This is esti...