Hydraulic coal cutting machine,named The Iron Man,in position on rail track underground in a coal seam. Made by Carrett,Marshall & Co.,and shown at the Paris International Exposition of 1867. Wood engraving | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 5676 px × 3079 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |