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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

## American Practical Navigator: An Epitome of Navigation and Nautical Astronomy

Nathaniel Bowditch - Nautical astronomy - 1916 - 836 pages
...to have their circumferences divided into 360 ecjual parts, called degrees; each degree is divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds; an arc is measured by the number of degrees, minutée, and seconds that it contains. . v , apply i...

## Mechanical Drawing: Instruction Paper, Part 2

Ervin Kenison - Mechanical drawing - 1916 - 71 pages
...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...

## Mechanical Engineers' Handbook

Lionel Simeon Marks - Mechanical engineering - 1916 - 1836 pages
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## Cyclopedia of Architecture, Carpentry, and Building: A General Reference ...

Architecture - 1917
...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...

## Modern Carpentry: A Practical Manual...

Fred T.. Hodgson - Carpentry - 1917 - 402 pages
...materially in understanding other problems. The circumference of every circle is measured by being supposed to be divided into 360 equal parts, called degrees; each degree containing 60 minutes, a smaller division, and each minute into 60 seconds, a still smaller division....

## Modern Carpentry: A Practical Manual ...

Frederick Thomas Hodgson - Carpentry - 1917 - 402 pages
...materially in understanding other problems. The circumference of every circle is measured by being supposed to be divided into 360 equal parts, called degrees; each degree containing 60 minutes, a «4 smaller division, and each minute into 60 seconds, a still smaller division....

## Sanitary, Heating and Ventilation Engineering: A General Reference ..., Volume 4

Heating - 1918
...ie, it is vVr = | 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. Fig.. 67. Angular Measurement SOLIDS A solid has three dimensions — length, breadth, and thickness....

## Carpentry and Contracting: A Practical Reference Work on Carpentry, Building ...

Building - 1919
...it is -sVir = 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. Fig. 67. Angular Measurement SOLIDS A solid has three dimensions — length, breadth, and thickness....