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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 ; and each minute into 60 equal parts, called seconds. "
The Decimal System of Numbers: Illustrated and Practically Applied, by a ... - Σελίδα 53
των Dana Pond Colburn - 1852 - 210 σελίδες
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The Elements of Natural Or Experimental Philosophy: Illustrated ..., Τόμος 4

Tiberius Cavallo - 1803
...circle ; but for the conveniency of expreffing this part, the whole circle is divided, or is fuppofed to be divided, into 360 equal parts called degrees* each degree is fubdivided into 60 equal parts called minutes, each minute is divided into 60 eqiial parts ca.\\zAfeconds...

A Treatise on Plane and Spherical Trigonometry: With Their Most Useful ...

John Bonnycastle - 1806 - 419 σελίδες
...a circle contained between its two legs, and having the angular point for 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...

General Geography, and Rudiments of Useful Knowledge: In Nine Sections ...

Horatio Gates Spafford - 1809 - 381 σελίδες
...to some great one. These are the two tropics, and the two polar circles. Every circle whether great or small, is supposed to be divided into 360 equal parts called degrees; und each degree into 60 equal pans called minutes ; each minute into 60 equal parts called .seconds....

A Plain Elementary and Practical System of Natural Experimental Philosophy ...

John Ewing - 1809 - 538 σελίδες
...other, although no part of the circumference is nearer to the pole than another. Every 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,...

The Theory and Practice of Finding the Longitude at Sea Or Land: To ..., Τόμος 1

Andrew Mackay - 1809 - 8 σελίδες
...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,...

An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - 1810 - 420 σελίδες
...the angle aBC and the arc DE is the measure of the angle ABC. (H) 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. The angles are...

The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 508 σελίδες
...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 60 equal parts, called minutes i and the sexagesimal division is continued. NOTE. The ancients having no instruments by Which they...

A pocket encyclopædia, or library of general knowledge, Τόμος 4

Edward Augustus Kendall - 1811
...of a circle, contained between the two legs, having the angular point for its centre. Ev.ery circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parti, called minutes $ each minute into' 60 equal parts, called seconds. " An angle...

A New Treatise on the Use of the Globes, Or, A Philosophical View of the ...

Thomas Keith - 1811 - 346 σελίδες
...beginning of the year 1804, was 13° 14' 43" and its declination 80° "15' 44" 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...

Elements of Crystallography: After the Method of Haüy; With, Or Without ...

Friedrich Christian Accum - 1813 - 396 σελίδες
...the circumference of a circle is the standard of comparison. This circle, of whatever size it may be, is supposed to be divided into 360 equal parts, called degrees ; each degree is again subdivided into 60 equal parts, called minutes, and every minute is subdivided into 60 seconds...




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