A Compendious Treatise on the Use of Globes & Maps: Compiled from the Works of Keith, Ferguson, Adams, Hutton, Bryan, Goldsmith, and Other Eminent Authors ; Being a Plain and Comprehensive Introduction to the Practical Knowledge of Geography and Astronomy

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Wells, Lilly and Burditt, 1821 - Astronomy - 183 pages
 

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Page ii - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Page 47 - ALPHA BETA GAMMA DELTA EPSILON ZETA ETA THETA IOTA KAPPA LAMBDA MU NU XI OMICRON PI RHO SIGMA TAU UPSILON PHI CHI PSI OMEGA...
Page 116 - Bring the given place to the brass meridian, and set the index to twelve ; turn the globe eastward till the index has passed over as many hours as are equal to half the length of the day ; keep the globe from revolving on its axis, and elevate or depress one of the poles, till the given place exactly coincides with the eastern semi-circle of the horizon ; the distance of the elevated pole from the horizon will be the sun's declination: mark the sun's declination, thus found, on the brass meridian:...
Page 52 - In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth...
Page 156 - Problem 12 : ihen elevate the pole as many degrees above the horizon as are equal to the latitude of that place, and bring it to the brass meridian ; so will it then be the zenith or centre of the horizon.
Page 128 - Elevate the globe to so many degrees above the horizon as are equal to the latitude of the place...
Page 37 - The PRIME VERTICAL is that azimuth circle which passes through the east and west points of the horizon, and is always at right angles...
Page 41 - Aries the Ram, Taurus the Bull, Gemini the Twins, Cancer the Crab, Leo the Lion, Virgo the Virgin, Libra the Balance, Scorpio the Scorpion, Sagittarius the Archer, Capricornus the Goat, Aquarius the Waterbearer, and Pisces the Fishes...
Page 88 - Bring the given place to that part of the brass meridian which is numbered from the north pole towards the equator, and observe its distance in degrees from the pole ; count the same number of degrees on the brass meridian from the equator towards the...
Page 155 - Rectify the globe for the latitude of the place, find the sun's place in the ecliptic and bring it to the brass meridian, and set the index of the hour circle to 12. Turn the globe westward till the sun's place comes to the...

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