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XVI.—A “Duplex” Form of Harmonic Synthetiser and its Mathematical Theory

Published online by Cambridge University Press:  15 September 2014

J. R. Milne
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Summary

The present paper is a continuation of one published thirteen years ago describing a new form of harmonic synthetiser. The object is to show that by a slight alteration the simple form of mechanism proposed by Lord Kelvin in 1881, but afterwards rejected by him on acount of “obliquity error,” can be made quite satisfactory.

Type
Proceedings
Information
Proceedings of the Royal Society of Edinburgh , Volume 39 , July 1920 , pp. 234 - 242
Copyright
Copyright © Royal Society of Edinburgh 1920

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References

page 234 note * Proc. Inst. Civil Engineers, vol. lxv, 1881, p. 16.

page 238 note * This is not that particular S.H.M. to which the actual motion is most akin, but it is sufficiently nearly so; and it is far the most convenient both for the user of the instrument and in the calculation of the error. For further information on this point see the previous paper.