 | Archibald Patoun - Navigation - 1734 - 568 pages
...Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree is divided into 60 equal Parts, called Minutes ; and each Minute into 60 e?ual Parts, called Seconds; and 'thefe into Thirds, 'ourtbs, &c, thefe Parts being greater or lefs... | |
 | Robert Shirtcliffe - Gaging - 1740 - 322 pages
...Circumference of a Circle into 360 equal Parts, each of which they called a Degree ; and each Degree into 60 equal Parts called Minutes ; and each Minute into 60 Parts called Seconds, and fo on to thirds, fourths, &c. every Arch of a Circle, being denoted by the Number of Degrees, Minutes,... | |
 | Archibald Patoun - Navigation - 1770 - 578 pages
...The'Circumference of every Circle is fuppofed to be divided into 360 'equal Parts,' called Degrees, and each Degree is divided into 60 equal Parts, called Minutes*, and each Minute into 6b equal Parts, called Seconds ; and thefe into Thirds, Fourths, &c. thefe Barïs tye'mg greater or... | |
 | John Wright (Mathematician) - Perspective - 1772 - 298 pages
...fig. 4. is fuppofed to be divided into 360 equal parts, called degrees; each degree ifr fuppofed to be divided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called feconds, &c. 5. Any angle HRB at the centre of a circle, is faid to be an angle... | |
 | Benjamin Donne - Geometry, Plane - 1775 - 338 pages
...are a Semicircle, or 2 Rt. ¿.s, and 90 Degrees a Quadrant, or Rt L. j) each Degree is fuppofed to be divided into 60 equal Parts, called Minutes, and each Minute into 60 equal Parts, called Seconds, &c. Hence it is plain, that in une' qual Circles, as well as in equal,... | |
 | William Butler - Astronomy - 1803 - 434 pages
...and then to obferve the different altitudes of the fame ftar at the two extremities of that diftance. Each degree is divided into 60 equal parts called minutes ; and each minute into 60 feconds, Sec. Degrees are marked with a fmall cypher over them ("), minutes with one dam ( ), andfeeonds... | |
 | Andrew Mackay - Latitude - 1809 - 412 pages
...celestial Equator or EQUINOCTIAL. The Equator as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ;* each degree is divided into 6O equal parts, called minutes; and the sexagesimal division is continued. The MERIDIAN of any place,... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...celestial Equator or Equinoctial. The Equator, as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ; each...degree is divided into 60 equal parts, called minutes i and the sexagesimal division is continued. NOTE. The ancients having no instruments by Which they... | |
 | John Lee Comstock - Physics - 1813 - 448 pages
...762. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having also received the name... | |
 | Jedidiah Morse - Geography - 1814 - 378 pages
...celestial sphere, are supposed to be extended to the earth, and marked on its surface. Each circle is divided into 360 equal parts, called degrees ; each degree is divided Into 60 minutes, and each minute into 60 seconds. The circles, supposed by geographers to be described on the... | |
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Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. 
