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

Thomas Keith - Astronomy - 1811 - 388 pages
...for the 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,...degrees ; each degree into 60 equal parts called minutes ; each minute into 60 equal parts called seconds, &c. ; a degree is, therefore, only a relative idea,...
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A pocket encyclopędia, or library of general knowledge

Edward Augustus Kendall - 1811 - 462 pages
...the arcs 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 is said to be...
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A Treatise of Plane and Spherical Trigonometry: In Theory and Practice ...

Francis Nichols - Plane trigonometry - 1811 - 162 pages
...the other circle, subtending the same angle ABC. 5. COR. 4. Hence, if a circle of any radius whatever be divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minutes; each minute into 6O equal parts, called seconds, &c., the number of degrees, minutes, and seconds,...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Surveying - 1811 - 580 pages
...The circumference 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 caled seconds, and these into thirds, fourths, &c. these parts being greater or less as the radius...
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A System of Natural Philosophy: In which the Principles of Mechanics ...

John Lee Comstock - Physics - 1813 - 448 pages
...constellation, and near trfB 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...
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A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - Surveying - 1814 - 398 pages
...triangle, except the three angles, are given, the others are determined. 2. The periphery of every circle is supposed to be divided into 360 equal parts,...degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds, &c. 3. The measure of an angle is the arc of a circle,...
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A Compendious and Complete System of Modern Geography: Or, A View of the ...

Jedidiah Morse - Geography - 1814 - 696 pages
...two radii, or the longest straight line, that can be drawn in a circle. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds. An arc of a circle is the measure of an angle. Thus a right...
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A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - Logarithms - 1815 - 172 pages
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each minute into 60 second?. each second into 60 thirds, &c. marked with flie characters °,...
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A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 388 pages
...measuring the latter, a circle is introduced. The periphery of every circle, whether great or small, is supposed to be divided into 360 equal parts called degrees, each degree into 60 minutes, each mintite into 60 seconds? each second into 60 thirds, fkc. marked with the characters...
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The Young Man's Best Companion and Guide to Useful Knowledge

John Dougall - Encyclopedias and dictionaries - 1815 - 514 pages
...-complement, or shortrv, the co-sine of the ar<j В S. The circumference of the globe of the earth being divided into 360 equal parts called degrees, each degree into 60 equal parts called nantītes, each minute into OU equal part« called seconds, each second into (Hi equal parts called...
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