The Story of Tools: How They Built Our World and Shaped Man's Life

Front Cover
Norton, 1969 - Technology - 150 pages
Explains how man has achieved all the mechanical advances he knows through the use of five simple machines--lever, wheel and axle, pulley, screw, wedge, and plane.

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Contents

The Only Toolmaker
3
From Fist Ax to Plow
10
Putting Fire to Work
21
Copyright

12 other sections not shown

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