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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. "
A Treatise on Surveying: Containing the Theory and Practice : to which is ... - Page 33
by John Gummere - 1846 - 266 pages
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A System of Natural Philosophy: in which the Principles of Mechanics ...

John Lee Comstock - Physics - 1813 - 340 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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Elements of Crystallography: After the Method of HaŁy; With, Or Without ...

Friedrich Christian Accum - Crystallography - 1813 - 396 pages
...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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An Easy Introduction to the Mathematics: In which the Theory and ..., Volume 2

Charles Butler - Mathematics - 1814
...angle. It is usual to divide the whole circumference into 360 equal parts called degrees, to subdivide each degree into 60 equal parts called minutes, and...each minute into 60 equal parts called seconds, &c. wherefore, if an angle at the centre be subtended by an arc which consists of suppose 30 degrees, that...
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A Compendious and Complete System of Modern Geography: Or, A View of the ...

Jedidiah Morse - Geography - 1814 - 670 pages
...equal to 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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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Electronic books - 1814 - 508 pages
...equal parts, called semicircles; and 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 into 60 equal parts called minutes, and each minute into 60 equal parts called seconds,...
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A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - Logarithms - 1815 - 126 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 į,...
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A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - Measurement - 1815 - 96 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 - 476 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 nantÓtes, each minute into OU equal partę called seconds, each second into (Hi equal parts called...
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A System of Universal Geography: For Common Schools: in which Europe is ...

Nathaniel Dwight - Geography - 1816 - 213 pages
...circles, which divide it into unequal parts. Q. What are the degrees of a circle ? A. The circumference of every circle is supposed to be divided into 360...equal parts called minutes ; and each minute into 60 seconds. Q. What is a meridian ? A. It is a great circle cutting the equator at right angle's', and...
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The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ...

Euclides - 1816 - 528 pages
...II. The circumference of a circle is supposed to be divided fnto 360 equal parts called degrees, and each degree into 60 equal parts called minutes, and...each minute into 60 equal parts called seconds, &c. And as many degrees, minutes, seconds, &c. as are contained in any arc h, of so many degrees, minutes,...
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