Along with gravimeters and torsion balances, pendulums can be used to measure gravitational force. The period oscillation of the pendulum can be used to measure gravitational acceleration, and in turn ...
The "Edward Kübel, Washington" inscription suggests that this pendulum was made between 1875, when Kübel began in business, and his death in 1896. The form is similar to that designed by the English ...
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