My Public / Unpublished Books (2)

  • SIMPLE MACHINES
    SIMPLE MACHINES
    A book about simple machines, explaining the wheel and axle, pulley, lever, screw, wedge, and inclined plane.
    by charliemensh
    Eye Icon 1590
    Star Icon 3
  • simple machines
    simple machines
    by charliemensh
    Eye Icon 49
    Star Icon 1
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