Making and using elm tree pumps to drain mines before the days of the steam engine, 1556 (1956). From De re Metallica by Georgius Agricola. A print from Things, a volume about the origin and early history of many things, common and less common, essential and inessential, by Readers Union, the Grosvenor Press, London, 1956. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / The Print Collector |
Bildgröße: | 3675 px × 4758 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |