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" ... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and... "
The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... - Page 64
by Benjamin Donne - 1775 - 159 pages
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Plane Trigonometry with Tables

Claude Irwin Palmer, Charles Wilbur Leigh - Plane trigonometry - 1914 - 308 pages
...amount of turning. The right angle is divided into 90 equal parts called degrees (°), each degree is divided into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds ("). Starting from any position as initial side, it is evident that, for each position of the terminal...
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Intermediate Arithmetic, Parts 2-3

George E. Mercer, Mabel Bonsall - Arithmetic - 1914 - 324 pages
...circumference of every circle is divided into 360 equal parts called degrees, each degree into i50 equal parts called minutes, and each minute into 60 equal parts called seconds. 5J^ of a circumference is called 1 degree of arc. J of a circumference, or 90 degrees, is called a...
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Elementary Geography, Part 1

Harmon Bay Niver - Geography - 1915 - 164 pages
...circle, no matter what size it may be, is divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The Equator and the meridian circles are called great circles, because they divide the earth into hemispheres....
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Mechanical Drawing: Instruction Paper, Part 2

Ervin Kenison - Mechanical drawing - 1916 - 44 pages
...degrees, ie, it is /A = i of a circumference. In order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute into 60 equal parts called seconds. /esi I8O Fig. 67. Angular Measurement SOLIDS A solid has three dimensions — length, breadth, and...
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Plane and Spherical Trigonometry

Claude Irwin Palmer, Charles Wilbur Leigh - Logarithms - 1916 - 348 pages
...amount of turning. The right angle is divided into 90 equal parts called degrees (°), each degree is divided into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds (")• Starting from any position as initial side, it is evident that, for each position of the terminal...
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1. Mathematical Tables

Edward Vermilye Huntington, Louis Albert Fischer - Engineering - 1916 - 196 pages
...MEASURE. (360 degrees = 1 revolution.) 1 degree = 1° = Ую of a right angle. The degree is usually divided into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds ("); while the second is subdivided decimally. But for many purposes it is more convenient to divide...
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Standard Handbook for Mechanical Engineers

Mechanical engineering - 1916 - 1826 pages
...MEASURE. (360 degrees = 1 revolution.) 1 degree = 1° = Ho of a right angle. The degree is usually divided into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds ("); while the second is subdivided decimally. But for many purposes it is more convenient to divide...
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Mechanical Engineers' Handbook

Lionel Simeon Marks - Mechanical engineering - 1916 - 1922 pages
...MEAAUKE. (360 degrees - 1 revolution.) 1 degree Ie ' » of a right angle. The degree is usually divide«! into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds ("); while the second is subdivided decimally. Rut for many purposes it is more convenient to divide...
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American Practical Navigator: An Epitome of Navigation and Nautical Astronomy

Nathaniel Bowditch - Nautical astronomy - 1916 - 912 pages
...meridian of the point of reference. The day is divided into 24 equal parts, called Hours; each hour is divided into 60 equal parts, called Minutes, and each minute into 60 equalparts, called Seconds. 273. APPAKENT OR SOLAB TIME. — The hour angle of the center of the sun...
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Cyclopedia of Architecture, Carpentry, and Building: A General ..., Volume 6

Architecture - 1917 - 550 pages
...degrees, ie, it is -^ =£ of a circumference. Li order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute into 60 equal parts called seconds. r:~ S7_ Angular Measurement /OS /so 39 SOLIDS A solid has three dimensions — length, breadth, and...
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