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" In order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute is divided into 60 equal parts called seconds. "
Arithmetic by Grades for Inductive Teaching, Drilling and Testing..: Book no ... - Σελίδα 81
των John Tilden Prince - 1894
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PLANE TRIGONOMETRY WITH TABLES

CLAUDE IRWIN PALMER - 1914
...so on for any 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,...

Elementary Geography

Harmon Bay Niver - 1915 - 360 σελίδες
...Divided. Every 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,...

Coal Miners' Pocketbook: Formerly The Coal and Metal Miners' Pocketbook ...

Thomas J. Foster - 1916 - 1172 σελίδες
...the angle. For measuring angles, the circumference is divided into 360 equal parts, called degrees; each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds. Divisions smaller than a second are expressed in decimal parts of that unit; thus, 24.56". A quadrant...

Naval Architect's & Shipbuilder's Pocket-book ...: With a Section on Aeronautics

Clement Mackrow - 1916 - 742 σελίδες
...right angle is supposed to be divided into 90 equal parts, each of which parts is termed a degree ; each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds. One degree 16 minutes 15 seconds or 1 a •* s 1° 16' 15", is therefore equal to 1 + T + n: or 1-271...

American Practical Navigator: An Epitome of Navigation and Nautical Astronomy

Nathaniel Bowditch - 1916 - 836 σελίδες
...All circles are supposed 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...

Plane and Spherical Trigonometry

Claude Irwin Palmer, Charles Wilbur Leigh - 1916 - 188 σελίδες
...so on for any 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...

Mechanical Drawing: Instruction Paper, Μέρος 2

Ervin Kenison - 1916 - 71 σελίδες
...contains 45 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...

Cyclopedia of Architecture, Carpentry, and Building: A General Reference ...

1917
...contains 45 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...

Sanitary, Heating and Ventilation Engineering: A General Reference Work, Τόμος 4

1918
...contains 45 degrees, 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...

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

1919
...contains 45 degrees, ie, 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...




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