 | Jacques Ozanam - Scientific recreations - 1803 - 660 pages
...dials without a centre. Vertical east and west dials, and dials turned directly towards the south, and inclined to the horizon at an angle equal to the latitude, or which if produced would pass through the pole, are of this number. The meridian line, as is well... | |
 | Agriculture - 1826 - 522 pages
...last experiments, and the instrument • at-ising from its Dotation, 39 so that the axis JEQ being in the plane of the meridian and inclined to the horizon at an angle of 19° 30', the centre and plane pf the plate were, during the revolution of the limb, always in the... | |
 | Royal Society (Great Britain) - Mathematics - 1827 - 480 pages
...which, with the magnets, may be made to revolve round the axis. It is evident, that if the axis be inclined to the horizon at an angle equal to the latitude of the place of observation, and so that the azimuth of its lower extremity from south of the magnetic meridian... | |
 | Miles Bland - Astronomy - 1830 - 394 pages
...far it would afterwards recede on the horizontal plane. 53. If a ladder leaning against a S. wall be inclined to the horizon at an angle equal to the latitude of the place; shew that the shadow will occupy the same situation every day at the same hour; and determine the position... | |
 | John Martin Frederick Wright - Astronomy - 1831 - 282 pages
...for describing the meridians and parallels. 22. A ladder leaning against a south wall happens to be inclined to the horizon at an angle equal to the latitude of the place : shew that the shadow will occupy the same situation every day at the same hour ; and determine the... | |
 | Jacques Ozanam - 1840 - 850 pages
...dials without a centre. Vertical east and west dials, and dials turned directly towards the south, and inclined to the horizon at an angle equal to the latitude, or which if produced would pass through the pole, are of this number. The meridian line, as is well... | |
 | English essays - 1866 - 1004 pages
...telescope turning upon an axis supported by a framework or shaft placed parallel to the earth's axis, or inclined to the horizon at an angle equal to the latitude of the Observatory. This framework or shaft turns freely upon pivots at each extremity ; and from the circumstance... | |
 | Edmund Beckett Baron Grimthorpe - Bells - 1874 - 458 pages
...noon is a gnomon, with a straight edge, or pair of edges, parallel to the earth's axis, and therefore inclined to the horizon at an angle equal to the latitude of the place, with a plate for the gnomon to throw a shadow on. Thus an Indian Bun-dial has its gnomon nearly level,... | |
 | Royal Meteorological Society (Great Britain) - Meteorology - 1880 - 374 pages
...to are, (1) that it shall be level as regards east and west, (2) that the axis of the ring shall be inclined to the horizon at an angle equal to the latitude of the place, (8) that the plane passing through the axis of the ring and the meridian line marked on its inside... | |
 | William Cudworth (of Bradford, Eng.) - 1889 - 396 pages
...of a telescope turning upon an axis supported by a framework placed parallel to the earth's axis, or inclined to the horizon at an angle equal to the latitude of the Observatory. This framework turns freely upon pivots at each extremity, and from the circumstance that... | |
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... they should have been previously cut in the house, from the pattern given by one of the cards that had been mounted and cut in the instrument. In mounting the instrument in place, the points to attend to are, (1) that it shall be level as regards... 
