Abstract
IN that early apparatus I recently described, you will remember that the balance, after being set swinging in one direction, had its motion completely destroyed, and was then set swinging in the other, all by the direct agency of the clock-train. If it had possessed no other property than that merely of vibrating against the earth's attraction, the pendulum would have been an immense improvement upon this state of things, because every impulse delivered to it is, so to speak, stored up there, and is gradually expended therefrom as occasion requires in overcoming the friction due to its connections and the resistance of the atmosphere.
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Principles of Time-Measuring Apparatus1: II. The Pendulum.. Nature 14, 554–556 (1876). https://doi.org/10.1038/014554a0
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DOI: https://doi.org/10.1038/014554a0