Raising a slab of stone using a block-and-tackle mechanism, 1620. Copperplate engraving of a treadmill powered by men lifting a slab of stone using a block and tackle. Apart from the treadmill (A), other labelled parts of the mechanism are the through tooth and pinion (C, B), and the worm and pinion (E, D.) Illustration from a 1620 German edition of Le diverse et artificiose machine (The various and ingenious machines), by Agostino Ramelli, first published in Paris in 1588. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Heritage Images / Ann Ronan Picture Library |
Bildgröße: | 3456 px × 5079 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |