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" VERTICAI is that azimuth circle which passes through the east and west points of the horizon, and is always at right angles with the... "
A New Treatise on the Use of the Globes, Or, A Philosophical View of the ... - 11. oldal
szerző: Thomas Keith - 1811 - 346 oldal
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A Treatise on Plane and Spherical Trigonometry: With Their Most Useful ...

John Bonnycastle - 1806 - 419 oldal
...place, and cutting the horizon at right angles. The prime vertical, or six o'clock hour line, is the azimuth circle which passes through the east and west points of the horizon ; being that on which the sun rises and sets when the days and nights are equal. The latitude of any...

An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - 1810 - 420 oldal
...angles. The altitudes of the heavenly bodies are measured on these circles. (N) The prime "vertical is that azimuth circle which passes through the east and west points of the horizon. (O) Meridians are great circles passing through the poles of the world, and cutting the equinoctial...

A Compendious Treatise on the Use of the Globes, and of Maps: Compiled from ...

John Lathrop - 1812 - 183 oldal
...place, and making the other end move along the wooden horizon of the globe. 177. The prime vertical is that azimuth circle •which passes through the...through the north and south points of the horizon. 178. Parallax is the difference between the true altitude of the sun, moon, or a star, if it were observed...

A New Treatise on the Use of the Globes: Or, A Philosophical View of the ...

Thomas Keith - 1819 - 352 oldal
...wooden horizon of the globe. 44. The PRIME VERTICAL is that azimuth circle which passes through lie east and west points of the horizon, and is always...45. The ALTITUDE of any object in the heavens, is anarch of a vertical circle, contained between the centre of the object and the horizon. When the object...

A New Treatise on the Use of the Globes; Or, A Philosophical View of the ...

Thomas Keith - 1821
...place, and making the other end move along the wooden horizon of the globe. 44. The PRIME VERTICAL is that azimuth circle which passes through the east...points of the horizon, and is always at right angles to the brass meridian, which may be considered as another vertical circle passing through the north...

An introduction to geography and astronomy, by the use of the globes and ...

Edward Bruce (bookseller.) - 1821
...horizon, it will represent the quadrant of a vertical circle. 24°. The prime vertical is that vertical circle which passes through the east and west points of the horizon. If the quadrant of altitude be fixed upon the zenith, and brought to the east or west points of the...

Ancient Geography, as Connected with Chronology, and Preparatory to the ...

Emma Willard - 1822 - 88 oldal
...be drawn from the zenith towards the nadir, cutting the horizon at right angles. The Prime Vertical is that Azimuth Circle which passes through the east...the horizon, and is always at right angles with the meridian. Solstitial Points are the first points of Cancer and Capricorn, so called because the sun,...

An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - 1826 - 442 oldal
...angles. The altitudes of the heavenly bodies are measured on these circles. (N) The prime vertical is that azimuth circle which passes through the east and west points in the horizon. (O) Meridians are great circles passing through the poles of the world, and cutting...

Ancient Geography, as Connected with Chronology, and Preparatory to the ...

Emma Willard - 1827 - 96 oldal
...he drawn from the zenith towards the nadir, cutting the horiznii at right angles. The Prime Vertical is that Azimuth Circle which passes through the east...the horizon, and is always at right angles with the meridian. Solstitial Points are the first points of Cancer and Capricorn, so called because the sun,...

A System of Universal Geography: On the Principles of Comparison ..., 1. kiadás

William Channing Woodbridge - 1827 - 340 oldal
...nadir, cutting the horizon at right angles. The Prime Vertical is that Azimuth Circle which passés through the east and west points of the horizon, and is always at right angles with the meridian Solstitial Points are the first points of Cancer and Capricorn, so called because the sun,...




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