This catalog for the Hoffman Specialty Company from 1929 showcases their heating equipment, including Hoffman valves, Hoffman controlled heat, Hoffman-Economy pumps, and Hoffman Moto-Heaters. It is a glimpse of what Hoffman Heating had to offer at the start of the Great Depression. There are products in this catalog that we did not know they made. Great descriptions all around!
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...