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.
A Practical Manual of Steam and Hot-Water Heating was written by Edward Richmond Pierce in 1911. This will give you a glimpse into what heating was like during that time period. According to the author's preface, "For about a quarter of a century the writer of these pages has been connected with those who manufacture and sell boilers and radiators for steam and hot-water heating. During this long period it has been his daily duty and privilege to answer the questions of architects, engineers, steam-fitters and house-owners in regard to every phase of the house-heating industry."
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).