Kater's pendulum
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A Kater's pendulum is a reversible free swinging pendulum invented by British physicist and army captain Henry Kater in 1817, for use as a gravimeter instrument to measure the local acceleration of gr
A Kater's pendulum and stand
Gravimeter with variant of Repsold pendulum
Gravimetry
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Gravimetry is the measurement of the strength of a gravitational field. Gravimetry may be used when either the magnitude of a gravitational field or the properties of matter responsible for its creati
Kater's pendulum
…a reversible free swinging pendulum invented by British physicist and army captain Henry Kater in 1817 (made public on 29 January 1818), for use as a gravimeter instrument to measure the local acceleration of gravity. Its advantage is that, unlike previous pendulum gravimeters, the pendulum's centre of gravity…
An Autograv CG-5 gravimeter being operated
Geoid undulations based on satellite gravimetry