| Andrew Mackay - 1809 - 8 pągines
...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 - 508 pągines
...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... | |
| Jedidiah Morse - 1814 - 364 pągines
...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 - 508 pągines
...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 ,• and the sexagesimal division is continued. NOTE. The ancients having no... | |
| Jedidiah Morse - 1814 - 360 pągines
...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 - 364 pągines
...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... | |
| Jedidiah Morse, Sidney Edwards Morse - 1826 - 342 pągines
...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,... | |
| Frederick Emerson - 1834 - 288 pągines
...GEOGRAPHICAL MEASURE. The circumference of the globe — like every other circle — is divided in **360 equal parts, called degrees. Each degree is divided into 60 equal** parts called miles, or minutes. Three miles are called a league. On the equator, 69^ statute miles... | |
| B[enjamin] Franklin Callender - 1836 - 211 pągines
...CHAPTER I. MENSURATION OF ANGLES AND TRIANGLES. SECTION I. Definitions and ProblemS. Every circle is **divided into 360 equal parts, called degrees ; each degree is divided into 60 equal** parts, called minutes ; each minute is divided into 60 equal parts, called seconds; seconds are divided... | |
| John Lee Comstock - 1838 - 256 pągines
...surface as those of summer. OF LATITUDE AND LONGITUDE. Definitions. All circles surrounding the earth are **divided into 360 equal parts called degrees ; each degree is divided into 60 equal** parts called minutes, and each minute into 60 parts called seconds. The signs by which these are indicated... | |
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