An illustration of a double oscillating steam engine, created by Elisha Graves Otis (1811-1861) as a 'power plant' exclusively for elevators. Otis, an American, invented a safety device that prevented elevators from falling if the hoisting cable broke. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENCE SOURCE / New York Public Library |
Bildgröße: | 4249 px × 4187 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |