| Thomas Simpson - Algebra - 1821 - 408 pages
...periphery of every circle is supposed 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 second minutes, <Jc. Any part of the periphery is called an arch, and is measured by the number... | |
| Anthony Nesbit, W. Little - Measurement - 1822
...circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree **into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds,** &c. 48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. An ellipse... | |
| Euclid, Rev. John Allen - Astronomy - 1822 - 494 pages
...supposed the whole circumference of a circle to be divided in 360 equal parts, called degrees, each degree **into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds,** Stc. and a circle being described from the vertex of an angle, as a centre, an angle is said to be... | |
| William Jillard Hort - 1822
...CH. 2. If the circumference of a circle be divided into 360 equal parts called degrees, each degree **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds** ; and so on ; then, as many degrees, minutes, and seconds, &c. as are in any arch ; so many degrees,... | |
| Euclid, Rev. John Allen - Astronomy - 1822 - 494 pages
...supposed the whole circumference of a circle to be divided in 360 equal parts, called degrees, each degree **into 60 equal parts, called minutes and each minute into 60 equal parts,** cal:ed seconds, &c. and a circle being described iron) the vertex of an angle, as a centre, an angle... | |
| Anthony Nesbit - Measurement - 1824 - 434 pages
...circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree **into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds.** 48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. Ap ellipse... | |
| George G. Carey - Astronomy - 1825 - 166 pages
...whether great or small, are supposed to be divided into 360 equal parts, called degrees; each degree **into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds,** &c.f 9. An Angle is the inclination of two lines which meet in a point, and is always some part of... | |
| Industrial arts - 1825
...small or great, is supposed to be divided into 360 equal parts, which are called degrees ; each degree **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds,** in the same manner as a yard is divided into 3 equal parts called feet, a foot into 12 equal parts... | |
| Abel Flint - Geometry - 1825 - 241 pages
...Circumference of every Circle is sipposed to be divided into 360 equal part?, called Degrees ; and each Degree **into 60 equal parts, called Minutes ; and each Minute into 60 equal parts, called Seconds** ; and these into Thirds, &c. JVote. Since all Circles are divided into the same number ot Degrees,... | |
| Nathaniel Bowditch - Nautical astronomy - 1826 - 617 pages
...supposed to have their circumference 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 so on into thirds, fourths,* be. and an arch is said to be. of as many degrees as it contains parts... | |
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