 When it is considered that the period of Halley's comet is about seventyfive years, and that every portion of its course, for two successive periods, was necessary to be calculated separately in this way, some notion may be formed of the labour encountered...  Handbook of Astronomy - Page 349by Dionysius Lardner - 1860 - 496 pagesFull view - About this book
 | 1835 - 700 pages
...with a different set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...from morning till night, sometimes even at meals, 1 the consequence of which was, that I contracted an illness which 1 changed my constitution for the... | |
 | Robert Walsh, Eliakim Littell, John Jay Smith - 1835 - 1138 pages
...with a different set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...formed of the labour encountered by Lalande and Madame Lcpaute. " During six months," says Lalande, "we calculated from morning till night, sometimes even... | |
 | Denison Olmsted - 1841 - 486 pages
...it were, bit by bit, each bit requiring a calculation similar to the whole orbit of the planet. Now, when it is considered that the period of Halley's...separately in this way, some notion may be formed of the labor encountered by Lalande and Madame Lepaute. " During six months," says Lalande, " we calculated... | |
 | Dionysius Lardner - 1846 - 664 pages
...with a différent set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...separately in this way, some notion may be formed of the labor encountered by Lalande and Madame Lepaute. " During six months," says Lalande, " we calculated... | |
 | Dionysius Lardner - 1846 - 628 pages
...with a different set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...seventy-five years, and that every portion of its course, ' 1'ir two successive periods, was necessary to be calculated separately in this < wjy, some notion... | |
 | George Lillie Craik - 1847 - 458 pages
...purpose he obtained the co-operation of Madame Lepaute, who was well known both to him and Clairaut. " During six months," says Lalande, " we calculated...even at meals ; the consequence of which was, that 1 contracted an illness which changed my constitution for the remainder of my life. The assistance... | |
 | François Arago - 1848 - 108 pages
...with a different set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...separately in this way, some notion may be formed of the labor encountered by Lalande, and Madame Lepaute. •' During six months," says Lalaude, " we calculated... | |
 | Dionysius Lardner - 1849 - 630 pages
...again similar arithmetical operations upon them. When it is considered that the period of Hallev's comet is about seventy-five years, and that every portion of its course, [ fur two successive periods, was necessary to be calculated separately in this c way, some notion... | |
 | Dionysius Lardner - 1850 - 614 pages
...with a different set of numbers, but performing over again similar arithmetical operations upon them. When it is considered that the period of Halley's...separately in this way, some notion may be formed of the^abor encountered by Lalande and Madame Lepaute. " During six months," says Lalande, " we calculated... | |
 | Dionysius Lardner - 1854 - 870 pages
...which the * When it is considered that the period of ITalley's comet is about seventy-five years, nnd that every portion of its course for two successive...separately in this way, some notion may be formed of tlie labour encountered by Lalande and Madame Lepaute. "During six months," says Lalaude, "we calculated... | |
| |
