An Account of Experiments to Determine the Figure of the Earth by Means of the Pendulum Vibrating Seconds...

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Edward Sabine

An Account of Experiments to Determine the Figure of the Earth by Means of the Pendulum Vibrating Seconds in Different Latitudes

As Well As on Various Other Subjects of Philosophical Inquiry

Edward Sabine

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English

Cambridge University Press
06 February 2014

History of science; Theoretical & mathematical astronomy

Series: Cambridge Library Collection - Physical Sciences

Summary
Details

As early as the seventeenth century, scientists realised that a pendulum swings more slowly at the equator than it would at the North Pole. Newton predicted that gravity increased with latitude, and that the Earth could not be perfectly spherical. Although various experiments were undertaken to determine the exact degree of this ellipticity, none proved successful until physicist Edward Sabine (1788–1883) embarked on a series of expeditions across the world. Based on pendulum measurements from a wide range of latitudes, from Jamaica to Spitsbergen, his results were very different to mathematical predictions, and far more accurate; Charles Babbage would even complain that they were too good to be true. In this account, which first appeared in 1825, Sabine explains his methodology and presents his findings. His book opens a fascinating window into nineteenth-century geodesy for students in the history of science.

By: Edward Sabine
Imprint: Cambridge University Press
Country of Publication: United Kingdom
Dimensions: Height: 254mm, Width: 178mm, Spine: 28mm
Weight: 920g
ISBN: 9781108062077
ISBN 10: 1108062075
Series: Cambridge Library Collection - Physical Sciences
Pages: 538
Publication Date: 06 February 2014
Audience: College/higher education , Professional and scholarly , Primary , Undergraduate
Format: Paperback
Publisher's Status: Active