Here is a catalog from Amstan (American Standard), published in 1957, that features their wet heat and cooling products. This document is divided into 5 parts. Many of the products you'll find here are still in the field.
Thanks to John Mills for sharing and scanning this catalog. And thanks to Alex Marx for his help with the file conversions.
This chapter on hot water heating systems and piping was prepared by Professor F.E. Giesecke (Director of Texas Engineering Experiment Station in TX) for the The American...
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...