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Pendulum to Measure Earth Rotational Rate with Triangle

[Category : - DESIGN PATENTS]
[Viewed 595 times]

"Pendulum to Measure Earth Rotational Rate with Triangle" patent application number 29890802 shows how the rotational rate of Earth can be measured using a pendulum with a triangle on it.


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1,000,000 USD

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heaven1234 (United States)

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