Tag Archives: Wrough Iron Fittings

Steam Pipe Fittings Available Since 1840

Steam pipe fittings have been manufactured in the United States since 1840 and possibly before; apparently the first steam and hot water heating systems were new in 1844 when they were used and patented by Walworth & Nason Company later to become The Walworth Manufacturing Company, this business was still a separate entity till 1962. […]