Abstract
The following observations were taken with a reflecting telescope, of two feet focal length, made by Mr. Short (of a similar size and construction to those used in the observation of the transit of Venus, by himself at Saville House, by Mr. Green at Greenwich, and by Mess. Mason and Dixon at the Cape of Good Hope), with an equal altitude instrument made by Mr. Bird, and a clock, with a gridiron pendulum, made by Mr. Shelton, an account of whose going, at Greenwich, before my departure of St. Helena, and immediately upon my arrival there, is contained in Phil. Trans. Vol. LII. Part. II. Page 434. and the difference of gravity between those two places thence deduced.
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More From: Philosophical Transactions of the Royal Society of London
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