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.

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Creative#:

TOP15513414

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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No

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No

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No

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