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 Βιβλία Βιβλία 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
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A Compleat Treatise of Practical Navigation Demonstrated from It's First ...

Archibald Patoun - 1734 - 414 σελίδες
...Circumference of every Circle is fuppofed to be divided into 360 equal Parts, called Degrees ; and each Degree is divided into 60 equal Parts, called Minutes ; and each Minute into 60 e?ual Parts, called Seconds; and 'thefe into Thirds, 'ourtbs, &c, thefe Parts being greater... ## Exercises on the globes: interspersed with some historical, biographical ...

William Butler - 1803 - 381 σελίδες
...and then to obferve the different altitudes of the fame ftar at the two extremities of that diftance. Each degree is divided into 60 equal parts called minutes ; and each minute into 60 feconds, Sec. Degrees are marked with a fmall cypher over them ("), minutes with one dam (... ## Geography: Or, A Description of the World. In Three Parts. Part I ...

Daniel Adams - 1820 - 335 σελίδες
...any circle. A Degree of a great circle of the earth contains 60 geographical, Or 69\$ English miles. Each degree is divided into 60 equal parts, called minutes ; and each minute into 60seconds. Degrees are usually marked with a small cypher over them (°), minutes with one dash... ## Easy Lessons in Geography and History: Designed for the Use of the Younger ...

Joseph Allen - 1832 - 116 σελίδες
...globe, is divided into 360 equal parts, called degrees, and each degree contains about 09 A miles. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. Questions for Review. How many degrees are there in the circumference... ## Youth's Book of Astronomy

John Lee Comstock - 1838 - 256 σελίδες
...LONGITUDE. Definitions. All circles surrounding the earth are divided into 360 equal parts called degrees ; each degree is divided into 60 equal parts called minutes, and each minute into 60 parts called seconds. The signs by which these are indicated are 360° degrees, 60' minutes,... ## First Lessons in Geometry: With Practical Applications in Mensuration, and ...

Charles Davies - 1840 - 252 σελίδες
...for the measurement of angles. For this purpose it 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 degrees, minutes, and seconds, are marked thus, °, ', " ;... ## Boston School Atlas

Benjamin Franklin Edmands - 1841 - 75 σελίδες
...Antarctic Circle. See fig. 2. A DEGREE is the 360th part of a circle, and contains CPJ English miles ; each degree is divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. They are marked (°) degrees, (') minutes, (") seconds. The LONGITUDE... ## Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for ...

Charles Davies - 1846 - 240 σελίδες
...the measurement of angles. 26. How is it divided? It 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 degrees, minutes, and seconds, are marked thus, °, ', " ;... ## The Decimal System of Numbers: Illustrated and Practically Applied, by a ...

Dana Pond Colburn - 1852 - 210 σελίδες
...whether the circle be large or small, is supposed to be 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. A degree is to be regarded simply as the 360th part of the circumference... ## Rudimentary treatise on arithmetic

John Radford Young - 1852 - 192 σελίδες
...called degrees; these, of course, are longer or shorter, according as the circle is greater or less. Each degree is divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds: the marks for degrees, minutes, and seconds, are a small ° for...