... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and... The Field Engineer: A Handy Book of Practice in the Survey, Location, and ... - Página 11por William Findlay Shunk - 1880 - 318 páginasVista completa - Acerca de este libro
| Philip Ronayne - 1738 - 421 páginas
...Circle is fuppos'd to be r\ divided into 360 equal Parts, called Degrees j and each Degree into 60 **equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds** 5 t£c. Any Portion \ of whofe Circumference is called an Arch, and is meafured by the Number of Degrees... | |
| John Ward - 1747 - 480 páginas
...vidcd into DEFINITIONS. fuppos'd to be di-. 360 equal Parts, called Degrees ; and each Degree into 60 **equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds,** &V. Any Portion of whofe Circumference is called an Arch, and is meafured by the Number of Degrees... | |
| Thomas Simpson - 1748 - 77 páginas
...every Circle is fuppofed to be divided into 360 equal Parts, called Degrees; and each Degree into 60 **equal Parts, called Minutes ; and each Minute into 60 equal Parts, called Seconds,** or fecond Minutes, &c. B G 3. Any Part AB of H the Periphery of the Circle is called an Arch, and is... | |
| Benjamin Donne - 1758 - 372 páginas
...a Day ; which Day they fubdivided into 24 equal Parts called Hours, and each of thefe again into 60 **equal Parts called Minutes, and each Minute into 60 equal Parts called Seconds,** &c. Further, the Time which is elapfed between the Inftant when the Sun is in the Equinox, or firlt... | |
| Joseph Fenn - 1769
...to be divided into 360 equal parts, -which are callea DEGREES ¡ and each of tbefe degrees into ¿o **equal parts, called MINUTES ; and each minute into 60 equal parts, called SECONDS** &c. in confequence of ibis bypotheßs, У the correjpondence eßablijhed bet-ween the arches, У the... | |
| John Wright (Mathematician) - 1772 - 251 páginas
...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 of as many degrees,... | |
| Benjamin Donne - 1775 - 159 páginas
...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, equal Angles are fubtended by... | |
| Euclid - 1781 - 520 páginas
...ABC will \.E arc right ; therefore rill• 360 equal parts called degrees, and each degree into 60 **equal parts called minutes, and each minute into 60 equal parts called** feconds, &c- And as many degrees, minutes, feconds, &c. as are contained in any arch, of fo many degref.s... | |
| John McGregor (teacher of mathematics.) - 1792 - 431 páginas
...circumference of any circle, is divided into 360 equal parts, called degrees, and each degree into 60 **equal parts, called minutes, and each minute into 60 equal parts, called** féconds, and fo on. JVi/f, Degrees are frequently marked °, and minutes '. Thus, 30 degrees, 14 minutes,... | |
| Robert Gibson - 1795 - 319 páginas
...every Circle is fuppofed to be Divided into 360 equal Parts called Degrees, and each Degree into 60 **equal Parts called Minutes, and each Minute into 60 equal Parts called Seconds,** and thefe into Thirds, Fourths, &c. thefe Parts being greater or lefs as the Radius is. 19. A Chord... | |
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