Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 143
ines may also be generated byusing higher pairs. Scott-Russell Parallel Motion. If, instead ofgenerating a true straight line, the object is tocorrectly copy a straight line, or to generate an 140 MECHANICAL DRAWING approximate straight line, meclianisms consistingonly of four elements may be used.… … V///////// i J^±^
Mechanical drawing · Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
