“Among recent contributions we may refer in particular to Professor A. G. Greenhill's noteworthy papers… when one remembers that these complex curves reach only especially simple cases of gyroscope motion, one may get some notion of the difficulty of the problem involved.”

— Carl Barus

Footnote: Greenhill: Applications of Elliptic Functions, Proc. Lond. Math. Soc., 1895, 1896; Engineering, July, 1896.
"The Mathematical Theory of the Top" (April 8, 1898)

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Carl Barus 15

U.S. physicist 1856–1935

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“Among recent contributions we may refer in particular to Professor A. G. Greenhill's noteworthy papers… when one remembers that these complex curves reach only especially simple cases of gyroscope motion, one may get some notion of the difficulty of the problem involved.”

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Carl Barus 15

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