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Fluoroscope |
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Foucault's Pendulum |
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Fountain in a vacuum (big) |
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Fountain in a vacuum (small) |
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Fountain in vacuum |
 ,  |
Frames for the magnetic effects of electrical current |
 ,  |
Franklin's Bell (Electric chime) |
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Franklin's Bell (Electric chime) |
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Franklin's Bells |
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Free fall tube (Guinea and feather tube) |
