Schiehallion (shĭhălˈyən) [key], mountain, 3,547 ft (1,081 m) high, Perth and Kinross, central Scotland, near Loch Rannoch. In 1774, Nevil Maskelyne experimented there to determine the density of the earth.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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