On the reduction to a vacuum of Captain Kater's convertable pendulum.

Catalogue no: 1515
Dewey No: Subject(s): Courtenay Ilbert Archive
Author(s): Edward Sabine
Total pages: 7 Illustrations: 0 Language(s): English Publication date: 1829
Editor: Publisher: Royal Society
Dimensions: 270mm x 210mm Condition: Reasonable
Related titles: Related library records:
The Resistance of the Air, determined from Captain Kater's Experiments on the Pendulum

Pages extracted from this journal and bound separately between brown paper covers.

Paper gives details of experiments with a precision pendulum, on a clock by Dent.  Its performance is noted and conclusions drawn when in air of ordinary density and in highly rarefied air. 

Experiments took place April 21 - April 23, 1829.  Barometric pressure on these day noted.

Room location: Library Extension Cabinet: F Shelf: 5
Search terms: Pendulums, Precision Timekeeping
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