compensated pendulum

compensated pendulum

[′käm·pən‚sād·əd ′pen·jə·ləm]
(design engineering)
A pendulum made of two materials with different coefficients of expansion so that the distance between the point of suspension and center of oscillation remains nearly constant when the temperature changes.
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Another regulator made pounds 5,800, this one a Victorian Scottish rosewood domestic example, circa 1850, with four-pillar bell-striking movement with Harrison's maintaining power, deadbeat escapement and mercury compensated pendulum.
Antiques&Auctions: Good quality antiques keep ticking over at Bristol Auction Rooms
The movement has many refinements such as deadbeat escapement, maintaining power and mercury compensated pendulum to ensure very accurate timekeeping, as well as chiming on eight tubular gongs which give a fine, mellow but resonant sound.
Antiques & Auctions: Times to treasure in the years ahead

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