The Laws of Universal Gravitation

    Demos/Equipment:
     
    1. Cavendish Experiment
    2. Cavendish, Model of
    3. Fixed System of Orbiting Bodies, old film loop (on video tape)
    4. Measurement of "G" a Cavendish Experiment, old film loop (on video tape)
    5. Moving System of Orbiting Bodies, old film loop (on video tape)
    6. Orbiting Bodies in Various Force Fields, old film loop (on video tape)