This document is from the Illinois Engineering Co. and provides information about Illinois Heating Systems, packless radiator valves, thermostatic traps, the standard vacuum heating system, and vapor heating systems. You can find the Illinois Heating Systems circa-1923 catalog here. Thanks to Patrick Linhardt for finding, scanning and sharing this with us.
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...