 | Thomas Keith - 1810 - 478 σελίδες
...syzygies; and the quartile aspects the quadratures: these terms are applied chiefly to the moon. (H) The horizon is a great circle which separates the...the earth's centre, is called the rational horizon. (I) The cardinal points are the east, west, north and south points of the horizon. The mariner's compass... | |
 | Thomas Keith - 1811 - 388 σελίδες
...correspondent to the hours of the day ; and these are again subdivided into halves and quarters. 19. The HORIZON is a great circle which separates the...half of the heavens from the invisible. This horizon, when applied to the earth, is distinguished by the sensible and rational horizon. 2O. THE SENSIBLE,... | |
 | Thomas Keith - 1819 - 380 σελίδες
...correspondent to the hours of the day ; and these are again subdivided into halves and quarters. 19. The HORIZON is a great circle which separates the...half of the heavens from the invisible. This horizon, when applied to the earth, ia distinguished by the sensible and rational horizon. 21. The RATIONAL,... | |
 | Thomas Keith - 1826 - 504 σελίδες
...syzygies, and die quartile aspects the quadratures ¡ these terms are applied chiefly to the moon. (H) The horizon is a great circle which separates the...the earth's centre, is called the rational horizon. (I) The cardinal points are the east, west, north and south, points of the horizon. The mariner's compass,... | |
 | Thomas Keith - 1826 - 360 σελίδες
...round the axis of the globe, and the brass meridian, in this case, answers the purpose of an index. 20. The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when... | |
 | James Ryan - 1827 - 408 σελίδες
...show ? CHAPTER IV. Of the wooden horizon, and other appendages to the terrestrial globe. , • o 1 . The horizon is a great circle which separates the visible half of tne heavens from the invisible ; the earth being considered as a point in the centre of the sphere... | |
 | First steps - 1828 - 456 σελίδες
...sun's place, for it must be six signs distant. WILLIAM. What is the horizon ? MOTHER. That imaginary circle which separates the visible half of the heavens from the invisible, is called the horizon. The height of the sun, or of a star, above the Horizon, reckoning from the horizon... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831 - 650 σελίδες
...to the hours of the day ; and these are again subdivided into halves and quarters. The horizon (qv) is a great circle, which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when... | |
 | Joseph Guy - 1832 - 412 σελίδες
...round the axis of the globe, and the brass meridian, in this case, answers the purpose of an index. 20. The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when... | |
 | Jesse Olney - 1835 - 298 σελίδες
...small circle of brass, with an index or pointer, fixed to the north pole. Q. What is the Horizon? A. It is a great circle, which separates the visible half of the heavens from the invisible. Q. How is the horizon represented on the Artificial Globe? A. By the wooden circular frame on which... | |
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The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. 
