| Abel Flint - 1808 - 168 sider
...called Semicircles; asAB or DE. Fig. 5. 14. The Circumference of every Circle is supposcfl to be divided **into 360 equal parts called Degrees ;. and each Degree...and each Minute into 60 equal parts, called Seconds** ;. and these into Thirds, 8tc. Note. Since all Circles are divided into the same number of Degrees,... | |
| John Ewing - 1809 - 538 sider
...circle, whether large or small, 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** seconds, and so on in a sixagesimal division as far as you please. If the earth be supposed to turn... | |
| James Ferguson, Jeremiah Horrocks - 1809 - 533 sider
...suppose to be divided into 12 equal parts, called signs ; each sign into 30 equal parts, called degrees; **each degree into 60 equal parts, called minutes; and each minute into 60** into 60 equal parts, called seconds : so that a second Plate I. is the 60th part of a minute ; a minute... | |
| Euclid - 1810 - 518 sider
...is called the measure of the angle ABC. II. The circumference of a circle is supposed to be divided **into 360 equal parts called degrees, and each degree...and each minute into 60 equal parts called seconds,** &c. And as many degrees, minutes, seconds, &c. as are contained in any arch, of so many degrees, minutes,... | |
| John Dougall - 1810 - 580 sider
...other four watches. In modern Europe the day is divided into 2* equal parts called hours, each hour **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** It has been found by experiment at London, in a spot elevated 113 feet above the level of the sea,... | |
| Robert Gibson - 1811 - 508 sider
...the radius, as AB or DE. fig. 8. m *!6. The circumference of every circle is supposed to be divided **into 360 equal parts called degrees, and each degree...called minutes, and each minute into 60 equal parts** caled seconds, and these into thirds, fourths, &c. these parts being greater or less as the radius... | |
| Caleb Alexander - 1813 - 144 sider
...The circumference of every circle, is supposed tobe divided into 360 equal parts, called degree»; **and each degree, into 60 equal parts, called minutes;...each minute, into 60 equal parts, called seconds,** and these into thirds, fourtUs, &c. 14. Parallel lines are equidistant from each other. 15 A figure,... | |
| John Lee Comstock - 1813 - 340 sider
...star a. 762. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; **each degree into 60 equal parts, called minutes, and each minute into 60** parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having... | |
| Robert Gibson - 1814 - 508 sider
...isdoublethe radius, as AB or DE. fig. 8. 16. The circumference of every circle is supposed to be divided **into 360 equal parts called degrees, and each degree...and each minute into 60 equal parts called seconds,** and tiiese into thirds, fourths, &c. these parts being greater or less as the radius is.17. A chord... | |
| Euclides - 1814
...of the angle ABC. II. The circumference of a circle is supposed to be divided into 360 equal part* **called degrees, and each degree into 60 equal parts...and each minute into 60 equal parts called seconds,** &c. And as many degrees, minutes, seconds, &c. as are contained in any arch, of so many degrees, minutes,... | |
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