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A treatise of the Mechanical Powers ... of the lever, ... the wheel and axle, ... the pulley, ... the screw, ... the wedge, and ... the inclined plane. To which are added several useful improvements in mill work, bevel, geer, friction, etc
John IMISON
出版1787
URLhttp://books.google.com.hk/books?id=SDBbAAAAcAAJ&hl=&source=gbs_api
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