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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 ; and these into thirds, etc.
Instructions Given in the Drawing School Established by the Dublin Society ... - Page 241
by Joseph Fenn - 1769

## Hand-book of the Terrestrial Globe, Or, Guide to Fitz's New Method of ...

Ellen Eliza Fitz - Globes - 1876 - 138 pages
...circumference of a circle is divided into 360 equal parts, called degrees (marked °), each degree into 60 equal parts, called minutes ('), and each minute into 60 equal parts, called seconds ("). Then the number of degrees, minutes, and seconds, in the arc intercepted by the sides of an angle,...

## The Yachtsman's Handybook for Sea Use: And Adapted for the Board of Trade ...

William Henry Rosser - 1877 - 158 pages
...r. The circumference of every circle is divided into 360 equal parts, called DEGREES ; each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds; which are respectively marked ° ' ". (See p. 1, Table A.) Since the circumference of a circle contains...

## The Elementary Arithmetic: Oral and Written

Albert Newton Raub - Arithmetic - 1877 - 176 pages
...called a Diameter. 129. Every circumference is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. TABLE. 60 seconds ( " ) =1 minute, ( ' ). 60 minutes =1 degree, (°). 30 degrees = 1 sign, s. 12 signs...

## Physiography: An Introduction to the Study of Nature

Thomas Henry Huxley - Physical geography - 1878 - 428 pages
...But no one can speak of " parallels of longitude," because these 1 Each degree of latitude is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees are represented by the symbol °, minutes by ', and seconds by ". Minutes and seconds of time...

## Scientific and practical geometry for self-instruction

Rolla Rouse - 1879 - 402 pages
...a circumference, the latter is taken 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 right angle containing 90 degrees, and a semicircle 180 degrees. Degrees are marked °, minutes...

## The Field Engineer: A Handy Book of Practice in the Survey, Location, and ...

William Findlay Shunk - Railroad engineering - 1880 - 362 pages
...one-quarter of the circle, and is the measure of a right angle. Each degree is further divided into 00 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds are denoted by the symbols °, ', ": thus the expression 7° 22' 33"...

## Elements of Surveying and Leveling

Charles Davies - Surveying - 1883 - 578 pages
...convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; each degree into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...

## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...convenience, the quadrant is divided into 90 equal parts, each of which is called a degree ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are denoted by the symbols °, ', ". Thus, the expression 7° 22' 33",...