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.
Sarco made a boiler-return trap that was widely used back in the day. Here is their literature on the product, as well as the accessories that went with it. Thanks to Patrick Linhardt for scanning and sharing this with us.
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).