 | 1755 - 194 σελίδες
...io N 3?9 anfaertj by the Propofer, Mr. E. Roltinfon. LE TR and r be tne Semi-diameters of the Dibits of the Earth and Moon, P and p the periodic Times in thofe Orbits, S and J the 'iun's mean apparent Semi-diameter and Moon's mean horizontal Paralbx, and N and n any twe Numbers... | |
 | 1774 - 734 σελίδες
...Mr. E. Rollinfon. Let R and r be the feeii- diameters of the orbits of the earth and moon, P and¿ the periodic times in thofe orbits, S and s the fun's mean apparent femi-diametcr and moon's meaa horizontal parallax, and N and » any two numbers in the required ratio... | |
 | Charles Hutton - 1775 - 406 σελίδες
...fome others. XIV. Q¿-ítXIV. QUESTION 389 anfwered Ъу the propoftr, Mr. E. Rollinfon. Let 7? and r be the femi-diameters of the orbits of the earth and...P and p the periodic times in thofe orbits, S and j the fun's mean apparent femi-dianieter and moon's mein horizontal parallax, and TV and и any two... | |
 | Thomas Leybourn - 1817 - 468 σελίδες
...the sun's parallax ? Answered by the Proposer, Mr. E. Rollinson. Let R and r be the semi-diameters of the orbits of the earth and moon, p and p the periodic times in those orbits, sand í the sun's mean apparent semi-diameter and moon's mean horizontal parallax, and... | |
 | Charles Hutton - 1831 - 662 σελίδες
...determine the ratio of the densities of the sun and the earth. Let R and r be the radii or semidiameters of the orbits of the earth and moon, p and p the periodic times in those orbits, s and s the sun's mean apparent semidiameter and moon's mean horizontal parallax, and... | |
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... mean apparent semi-diameter and moon's mean horizontal parallax, and N and n any two numbers in the required ratio of the densities of the sun and earth respectively. 