| Cambridge (England) - 1804 - 476 pages
...19. Let the position of the "axis of a spherical surface of known refracting power, perpendicular to, **and bisecting, a very distant object, be given, and...seconds, in each of the same two places, is given.** On a smooth horizontal plane, are connected by a flexible line passing through a small ring fixed at... | |
| University of Cambridge - 1804 - 252 pages
...the position of the eye and image, and also the apparent magnitudes of the object and image ; to the **determine the magnitude and position of the refracting...latitude, in, each of two known places, is given.** 2d. When the length of a pendulum vibrating seconds, in each of the same two places, is given. , 22.... | |
| Bertrand Russell, John Greer Slater, Peter Köllner - Philosophy - 1996 - 954 pages
...magnitude and direction. He found that every planet at every moment has an acceleration towards the sun **which is inversely proportional to the square of its distance from the** sun. He then took up the inverse problem, which is one for the integral calculus. If a body has, at... | |
| |