Simple machines. 19th century engraving of simple machines such as levers,pulleys,wheels,axles and screws. A simple machine is a mechanical device which changes the direction or magnitude of a force. This illustration is from Jean-Baptiste Rondelet's treatise on architecture Traite theorique et pratique de l'art de batir (Treatise on the Theory and Practice of the Art of Building ,published in 1817 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / New York Public Library / Science, Industry & Business Library |
Bildgröße: | 3742 px × 2339 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |