Greenhill, G. (George), Sir, 1847-1927 · London and New York, Macmillan and Co. · leaf 430
- — c) = y^ — c^, or c^ — y^, according as the pressure inside is increased or diminished; therefore, writing n for the length of the normal PG, 2ac-c^ 2a , 2ac+c^ 2a , 2— = 1, or =— = hi. UNDULOID, AND NOBOID. 419 319. The meridian curve GPB defined by this relationis of transcendental nature, and…
Hydrostatics
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