 | J. David Parkes - 1839 - 222 pàgines
...are called the twelve signs of the Zodiac. Each sign is divided into 30 equal parts, called degrees, each degree into 60 equal parts, called minutes, and each minute into 60 seconds, and so on to thirds, fourths, fifths, &c. Abréviations. — * Sextile; a Quartile; Д Trine;... | |
 | Benjamin Greenleaf - 1841 - 334 pàgines
...middle. Thus, the angle contained by the lines B, A and A, D is called the angle B, A, D, or D, A, B. 56. The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds ; and so on. Hence u semicircle contains 130 degrees, and a quadrant,... | |
 | Charles Guilford Burnham - 1841 - 324 pàgines
...passing through the centre ; and it divides the circle into two equal parts, called semi-circles. 14. The circumference of every circle is supposed to be...equal parts, called degrees; and each degree into 0O equal parts, called minutes; and each minute into 60 equal parts, called seconds; and these into... | |
 | Roswell Chamberlain Smith - 1841 - 324 pàgines
...degrees, the whole circle of the Zodiac.' 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 1 PLANET, from planao, G. to wander, means a celestial (4) body, which revolve* about the sun or other... | |
 | William Grier - 1842 - 320 pàgines
...on the two sides, 5 AO that which stands at the angular point is read in the middle. Thus, DAE. 57. The circumference of every circle is supposed to be...equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant... | |
 | Joseph Gwilt - 1842 - 1114 pàgines
...abstract relations which connect it with geodisic operations. 1 034. We have already observed that every circle is supposed to be divided into 360 equal parts, called degrees, and that each degree is subdivided into 60 minutes, these minutes each into 6O seconds, and so on. Hence... | |
 | Roswell Chamberlain Smith - 1842 - 320 pàgines
...degrees, the whole circle of the Zodiac.7 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 1 PLANET, from planao, G. to wander, means a celestial (4) body, which revolves about the sun or other... | |
 | Samuel Maunder - 1843 - 914 pàgines
...& quadrant, or quarter of a circle, is a sector having a quarter of the circumference for its arc. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; each deip-ee into 60 minutes; and each minute into 60 seconds -. hence a semicircle contains ISO degrees,... | |
 | Charles DAVIES (LL.D.) - 1843 - 348 pàgines
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. Every circle is supposed to be divided into 360 equal parts, called degrees. TABLE. 60 seconds " make 1 minute, marked '. 60 minutes - - 1 degree, - - °. 30 degrees - - 1 sign,... | |
 | 1844 - 636 pàgines
...The brazen meridian is the circle in which the anifi- L cial globe turns, divided into 360 degree*. Every circle is supposed to be divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minute*, \ each minute into 60 equal parts, called seconds,... | |
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The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on. 
