A Treatise on Attractions, Laplace's Functions, and the Figure of the Earth

amplitude angle Arc of Meridian attracted particle attracted point attracting mass axes axis calculation Cape Comorin centre Clairaut's Theorem co-ordinates coefficient cos 2m cos² crust Damargida deflection depth df² dg² difference distance dr² earth earth's surface effect ellipsoid equal equation find the attraction fluid formula frustum geodetic arc gravity height Hence Himalayas horizontal attraction hypothesis Indian Arc integration Kaliana Kalianpur Laplace's Equation Laplace's Functions latitude law of attraction length mean ellipse measured Mechanical Philosophy miles mountains observed ocean Ordnance Survey pendulum plumb-line precession prism PROP Punnæ quantities radius ratio result sea-level shell sin² sin³ sphere spherical spheroid square station strata suppose t₂ thickness tion vertical attraction αμ Απρ µ² µ³