Here are ratings for the Erie radiator from Jarecki Mfg Co Ltd. They were based in Erie, PA and their radiators appeared in issues of Domestic Engineering in the 1890s.
Here is the Exeter Radiator and the Matthews' Radiator Foot Rests from the Walworth Manufacturing Company (1842-1892). Thanks to Frank "Steamhead" Wilsey for finding and scanning these. He writes, "The Exeter was a column-type radiator with non-standard dimensions and ratings. That page also includes footrests for pipe radiators - good for warming your feet after trudging home in the snow."
Here are ratings for the Erie radiator from Jarecki Mfg Co Ltd. They were based in Erie, PA and their radiators appeared in issues of Domestic Engineering in the 1890s.
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).