This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
PSM Early anthracite iron furnace at catasauqua. Early anthracite iron furnace at Catasauqua archive org Popular Science Monthly Volume Author PDold Popular Science Monthly illustrations Drawings of iron and steel industry
Page 2023 Free-images.com. All images are Public Domain