Abstract
LONDON Mathematical Society, April 8. —C. W. Merrifield, F.R.S., president, in the chair.—Mr. J. Barnard was elected a Member, and Mr. T. Olver Harding admitted into the Society.—The following papers were read:—A (presumed) new form of the equations determining the foci and directrices of a conic whose equation in Cartesian co-ordinates is given, by Prof. Wolsten-holme.—The application of elliptic co-ordinates and Lagrange's equations of motion to Euler's problem of two centres of force, by Prof. Greenhill.—Theorems in the calculus of operations, by Mr. J. J. Walker.—On the equilibrium of cords and beams in certain cases, by Mr. W. J, Curran Sharp.—On steady motion and vortex motion in an incompressible viscous fluid, by Mr. T.Craig.—On functions analogous to Laplace's functions, by Mr. E. J. Routh, F.R.S.
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Societies and Academies . Nature 21, 578–580 (1880). https://doi.org/10.1038/021578b0
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DOI: https://doi.org/10.1038/021578b0