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IV. Of the Solids of Greatest Attraction, or those which, among all the Solids that have certain Properties, Attract with the greatest Force in a given Direction

Published online by Cambridge University Press:  17 January 2013

John Playfair
John Playfair
Affiliation:
Professor of Natural Philosophy in the University of Edinburgh.
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Extract

The investigations which I have at present the honour of submitting to the Royal Society, were suggested by the experiments which have been made of late years concerning the gravitation of terrestrial bodies, first, by Dr Maskelyne, on the Attraction of Mountains, and afterwards by Mr Cavendish, on the Attraction of Leaden Balls.

Type
Research Article
Information
Earth and Environmental Science Transactions of The Royal Society of Edinburgh , Volume 6 , 1812 , pp. 187 - 243
Copyright
Copyright © Royal Society of Edinburgh 1812

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References

page 209 note * Princip. Lib. I. Prop. 91. Also Simpson's Fluxions, vol. II. § 379. In the former, the constant multiplier 2 π is omitted, as it is in some other of the theorems relating to the attraction of bodies. This requires to be particularly attended to, when these propositions are to be employed for comparing the attraction; of solids of different species.

page 213 note * Notice de la vie de G. L. Le Sage de Genève, par P. Prevost, p. 391.

page 220 note * The multiplier 2 π, omitted by Maclaurin, is restored as above, § XIII.

page 233 note * Nov. Acta Petrop. 1792, p. 47.

page 234 note * Princip. Lib. i. Prop. 90.