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An account of experiments to determine the acceleration of the Pendulum in different latitudes
|Catalogue no: 1516|
|Dewey No: 681.1124||Subject(s): Courtenay Ilbert Archive|
|Author(s): Edward Sabine|
|Total pages: 27||Illustrations: 0||Language(s): English||Publication date: 1821|
|Editor:||Publisher: Royal Society|
|Dimensions: 270mm x 210mm||Condition: Good|
|Related titles:||Related library records:
Observations for ascertaining the length of the Pendulum at Madras in the East Indies,... with the conclusions drawn from the same.
A full account of the experiments using two clocks by Shelton, the same clocks used on Captain Cook's circumnavigation of the globe.
Clocks were set up in four different locations;
Brassa (Shetland Islands)
Hare Island (Greenland)
Melville Island ("in the Polar Sea")
Thus the clocks were tested between latitudes 51.31 and 74.47 and the length of a pendulum vibrating seconds in each was recorded.
Two chronometers were also used in these tests; Arnold No.112 and Parkinson & Frodsham No. 259.
Five pull out charts record the performance of the clocks and chronometers by Transits of the Sun, North and South of the Zenith.
|Room location: Library Extension||Cabinet: F||Shelf: 5|
|Search terms: Pendulums, Precision Timekeeping|
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