John Winthrop Jr. and His Impact on America’s Iron Foundries John Winthrop Jr. was an important figure in the development of iron foundries in the United States during the 18th century. He was an entrepreneur, inventor, and politician who played a key role in the industrial revolution that transformed America into a manufacturing powerhouse. Winthrop’s
Grey & ductile cast iron foundry producing high quality difficult castings with diversity in metals, sizes and quantities
Monthly: August, 2022
