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.
Swedish Bessemer converter. es Convertido Bessemer sueco en Swedish Bessemer converter Enciclopedia Universal Ilustrada Europeo Americana Espasa Calpe Madrid Tomo II pgina VV AA PDold Uploaded with Drawings of Bessemer converters Espasa
Page 2023 Free-images.com. All images are Public Domain