Beskickning av elektrisk induktionsugn vid Långshyttans järnbruk. Public domain image of Industrial development in Sweden, 1900s, historical photograph, free to use, no copyright restrictions image - Picryl description
Elektrisk induktionsugn i okänt svenskt järnverk. Troligen under 1920-talet. Public domain image of Industry in 20th-century Sweden, historical photograph, free to use, no copyright restrictions image - Picryl More