A History of the Radiator
Brian Roberts & Paul Yunnie compiled this document that contains beautiful vintage advertisements and illustrations of radiators from the mid to late 1800s and early 1900...
Here are patents from 1922 for the Hoffman Specialty Company for their vapor heating system with differential loops. Thanks to Steve Pajek for finding and sharing these.
Brian Roberts & Paul Yunnie compiled this document that contains beautiful vintage advertisements and illustrations of radiators from the mid to late 1800s and early 1900...
This document contains the story of Herman W. Nelson, founder of the Herman Nelson Corporation and the Moline Heating System (a vacuum-vapor heating system).
Click here to view a beautifully illustrated catalog of circa-1890 Bundy radiators from the A.A. Griffing Iron Co.