 | 1831 - 460 lapas
...which has been just published, relative to a subject of some interest in the history of science. " 394. Given the latitude of a place, and two circles...them to the other in the shortest time possible.* " Let Z and P be the zenith and pole, and S and S' the required points on the given parallels, having... | |
 | James Haddon - 1851 - 180 lapas
...— r,= — r + T=— 5+т=+Зя-, a positive result, dy* у* у3 .'. the surface is a minimum. (22.) The latitude of a place and two circles parallel to the horizon being given ; to determine the declination of a heavenly body, whose apparent time of passage from... | |
 | Dublin city, univ - 1868 - 360 lapas
...rainbow, and show how to determine its position, that of the Sun being given. MR. W. ROBERTS. 1. Being given the latitude of a place, and two circles parallel to the horizon; find the declination of a body which, in its apparent diurnal motion, will pass from one of them to... | |
 | 1906 - 862 lapas
...ж(а'-Ь')(8а«+Ь')_ « Abo solved bj J. Scheffer. Ив. PropOMd by CN SCHMALL. » Columbia Street, New York City. The latitude of a place and two circles parallel to the horizon being given, to determine the declination of a heavenly body whose apparent time of passage from one... | |
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Calculus," which has been just published, relative to a subject of some interest in the history of science. " 394. Given the latitude of a place, and two circles parallel to the horizon ; to find the declination of a body which, in its apparent diurnal... 