 For this purpose it is divided into 360 equal parts, called degrees, each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds, are marked thus, °, ', " ; and 9°...  First Lessons in Geometry: With Practical Applications in Mensuration, and ... - Σελίδα 20των Charles Davies - 1840 - 252 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Archibald Patoun - 1770 - 578 σελίδες
...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... | |
 | Andrew Mackay - 1809 - 412 σελίδες
...the 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 - 1811 - 580 σελίδες
...the celestial Equator or Equinoctial. The Equator, as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ;...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... | |
 | Jedidiah Morse - 1814 - 378 σελίδες
...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... | |
 | Robert Gibson - 1814 - 558 σελίδες
...the celestial Equator or Equinoctial. The Equator, as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ;...divided into 60 equal parts, called minutes ,• and the sexagesimal division is continued. NOTE. The ancients having no instruments by Which they could... | |
 | Jedidiah Morse - 1814 - 382 σελίδες
...celeftial fphere, are fuppofed to be extended to the earth, and marked on its farface. Each circle is divided into 360 equal parts, called degrees ; each degree is divided into 60 minutes, and each minute into (tofeconds. The circles fuppofed by geographers to be defcribed on the... | |
 | Jedidiah Morse - 1818 - 384 σελίδες
...the Celestial Sphere. 21 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 minutet, and each minute into GO seconds. % If The circles, supposed by Geographers to be described... | |
 | 1820 - 352 σελίδες
...any circle. A Degree of a great circle of the earth contains 60 geographical, Or 69$ English miles. Each degree is divided into 60 equal parts, called minutes ; and each minute into 60seconds. Degrees are usually marked with a small cypher over them (°), minutes with one dash ('),... | |
 | Robert Gibson - 1821 - 594 σελίδες
...the celestial Equator or Equinoctial. The Equator, as well as all other great circles of the sphere, is divided into 360 equal parts, called degrees ;...divided into 60 equal parts, called minutes ; and the sexagesi• mal division*i3 continued. NOTE. The ancients having no instruments by which they could... | |
 | Jedidiah Morse, Sidney Edwards Morse - 1826 - 350 σελίδες
...globe into two unequal parts. The two tropics and the two polar circles are less circles. Every circle is divided into 360 equal parts, called degrees ; each degree is divided into 60 minutes ; and each minute into 60 seconds. They are marked thus 32° 14' 26" ; that is, 32 degrees,... | |
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