Diagrams, geometrical diagrams by G H [George Howard] Darwin Two sets of diagrams, labelled figures 1-2, showing a series of ellipsoids to illustrate Darwin's calculations regarding rotating masses of fluid. For each set of diagrams there is an accompanying engraved print. Subject: Physics / Astronomy The prints were published in volume 41 of the Proceedings of the Royal Society alongside the paper 'On Jacobi's figure of equilibrium for a rotating mass of fluid'. 1886