Douglas Harlon Movies

  • 1940
    How the Ear Functions

    How the Ear Functions

    How the Ear Functions

    01940HD

    The science of hearing is explained with animated diagrams of the human auditory system.

    How the Ear Functions
  • 1939
    The Story of Our Flag

    The Story of Our Flag

    The Story of Our Flag

    01939HD

    The history of America's familiar Stars and Stripes flag is chronicled, alongside the historical events that shaped America from its colonial roots...

    The Story of Our Flag
  • 1941
    How the Eye Functions

    How the Eye Functions

    How the Eye Functions

    01941HD

    The science of vision is explained with animated diagrams of the human eye

    How the Eye Functions

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