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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
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Elements of Surveying, and Navigation: With Descriptions of the Instruments ...

Charles Davies - Navigation - 1854 - 446 pages
...supposed to be divided into 360 equal parts, called degrees ; each degree 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,...
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Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - Arithmetic - 1855 - 396 pages
...point on the opposite side is called the diameter of the circle. called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. (g.) A degree is to be regarded simply as the 360th part of the circumference of the circle considered....
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Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising ...

Charles Davies, William Guy Peck - Mathematics - 1855 - 628 pages
...measurement, the entire 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. The right angle contains 90 degrees. The radius of the measuring circle is generally taken equal to...
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Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1855 - 340 pages
...supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called secondsTRIGONOMETRYDefinitions by the characters ' "- For example, ten degrees, eighteen minutes,...
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Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising ...

Charles Davies, William Guy Peck - Electronic book - 1855 - 592 pages
...longer than the sidereal. Kach day is divided into 24 equal parts, called hours ; each hour into GO equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and, according to the kind of day which is thus subdivided, we have mean solar, or sidereal time:...
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School geography

Henry Hopwood - 1856 - 306 pages
...English mathematicians, to be divided into 360 equal parts, called degrees ; each degree is subdivided into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. Degrees are marked (), minutes ('), and seconds ("). Those degreed vary iu length according to the...
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A High-school Astronomy: In which the Descriptive, Physical, and Practical ...

Hiram Mattison - Astronomy - 1856 - 254 pages
...whether great or small, are 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. They are marked respectively thus: Degrees (), minutes ('), seconds ("). Equilateral? (Derivation?)...
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Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - Arithmetic - 1856 - 392 pages
...Inrge or small, is supposed to be divided into 360 equal pwts called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. (y.) A degree is to be regarded simply as the 360th part of the circumference of the circle considered....
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Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1856 - 334 pages
...twice, and sextilis the sixth, because m that year the (HI of the kalends of March was repeated twice parts, called minutes, and each minute into 60 equal parts, called seconds. 7H. The circumference1 of the earth is a great circle of 360 de grees. On this circle every minute...
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The First Book of Arithmetic

Dana Pond Colburn - Arithmetic - 1856 - 194 pages
...small, is supposed to contain 360 equal parts, called degrees. Each degree is divided into 60 eqnal parts, called minutes, and each minute into 60 equal parts, called seconds. A degree may be considered simply as the 360th part of the circumference of the circle considered....
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