Modern Hot Water Heating, Steam and Gas Fitting was written by W.M. Donaldson and published in 1906. It contains over 150 illustrations and is a "modern treatise on steam, hot water, and furnace heating and steam and gas fitting, which is intended for the use and information of the owners of buildings and the mechanics who install the heating plants in them." To access this book online, click here.
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...