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The 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.
Elements of Surveying: With the Necessary Tables - Page 21
by Charles Davies - 1830 - 306 pages

An Elementary Treatise on Geometry: Simplified for Beginners Not ..., Part 1

Francis Joseph Grund - Geometry, Plane - 1834 - 204 pages
...arcs of circles, described with any radius between their legs. The circumference is, for this purpose, divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; each minute, again, into 60 equal parts, called seconds, &c. 16. The magnitude of an angle does not...

Mathematics for Practical Men: Being a Common-place Book of Principles ...

Olinthus Gregory - Mathematics - 1834 - 484 pages
...(See the next figure.) 3. The circumference of a circle is supposed to be divided or to be divisible into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each of these into 60 equal parts, called seconds ; and so on to the minutest possible subdivisions....

A New System of Practical Astronomy: Made Plain and Easy to Those who Have ...

Thomas Spofford - Almanacs, American - 1835 - 84 pages
...circumference ia equally distant from a point within the circle, called the centre. The circumference of every circle is supposed to be 'divided into 360 equal parts called degrees ; each degree into 60 equal parls called minutes, and each minute into 60 equal parts called seconds. Colurea ; those two meridians...

Encyclopędia Americana: A Popular Dictionary of Arts, Sciences ..., Volume 5

Francis Lieber, Edward Wigglesworth - Encyclopedias and dictionaries - 1835 - 630 pages
...brazen meridian is the circle in which the artificial globe turns, divided into 360 degrees. Every circle is supposed to be divided into 360 equal parts, called degrees, each degree into CO equal ports, called minutes, each minute into 60 equal parts, called seconds, Sic. ; a degree is...

A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - Physics - 1835 - 308 pages
...another constellation, and neai the star a. 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 GO parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign...

A System of Natural Philosophy, in which the Principles of Mechanics ...

John Lee Comstock - 1835 - 308 pages
...another constellation, and neai the star a. 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 (50 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign...

A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - Physics - 1836 - 308 pages
...already seen, the sun appears to move Each of the 12 signs of the zodiac is divided (nto 30 smaller parts, called degrees; each degree into 60 equal parts, called minutes, and each minute into BO parts, called seconds.) The division of the zodiac into signs, is of very ancient date, each sign...

A complete treatise on practical land-surveying

Thomas Holliday - Surveying - 1838 - 404 pages
...lines which form it, but in their opening or inclination to each other. 2. The circumference of every circle is supposed to be divided into 360 equal parts,...into 60 equal parts, called minutes; and each' minute again into 60 equal parts, called seconds. The angles are measured by the number of degrees, &c., cut...