...A quantity of sand is put into a wooden bowl with water; a half rotatory motion is given to the dish, which causes the coarser particles of sand to collect on one side of the bottom... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...In this rotatory motion they aid themselves by using the legs freely...
Mayne Reid 「The Hunters' Feast」
...At the top (1) wesee how each line would look if there was no rotatory motion; the threelines produced by ring, planet, and ring are in a straight line...
Robert Stawell Ball 「The Story of the Heavens」
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