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.
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...