 | Benjamin Donne - 1796 - 120 σελίδες
...the circumference of every circle to be divided into 360 equal parts, called Degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts named feconds, &c. Ar. B. Sometimes the circumference of a circle is called a circle; as when it is... | |
 | John Bonnycastle - 1806 - 464 σελίδες
...its centre. Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds ; &c. So that a semicircle, or half the circumference, contains 1 80 degrees ; and a quadrant, or fourth... | |
 | Christoph Christian Sturm - 1806 - 342 σελίδες
...The day and night together make the solar day. We divide it into 24 parts, called hours : each hour is divided into 60 equal parts, called minutes? each minute into 60 seconds; and each second into 60 thirds. This division of the day into hours, minutes, &c. is marked... | |
 | 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,... | |
 | Thomas Keith - 1810 - 478 σελίδες
...circumference of every circle is supposed to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, each minute into 60 equal parts called seconds. The angles are measured by the number of "egrees cut from the circle by the lines which form the B - angles;... | |
 | 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... | |
 | Thomas Keith - 1811 - 388 σελίδες
...north. $ Every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts called minutes ; each minute into 60 equal parts called seconds, &c. ; a degree is, therefore, only a relative idea, and not an absolute quantity, except when applied... | |
 | Edward Augustus Kendall - 1811 - 476 σελίδες
...: -. Every circle is supposed to be divided into 369 equal parts, called degrees ; each degree iuto 60 equal parts, called minutes ; each minute into 60 equal parts, called seconds. An angle is said to be of as many degrees, minutes, seconds, &c. as arc contained in the arc, ov part... | |
 | 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 ;...degree is divided into 60 equal parts, called minutes ,• and the sexagesimal division is continued. NOTE. The ancients having no instruments by Which they... | |
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Every circumference of a. circle, whether the circle be large or small, is supposed to be 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. 
