Books Books ... 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, ten degrees, eighteen minutes, and... The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... - Page 60
by Benjamin Donne - 1775 - 159 pages ## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - Arithmetic - 1855 - 366 pages
...to a 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.... ## Mathematical Dictionary and Cyclopedia of Mathematical Science: Comprising ...

Charles Davies, William Guy Peck - Mathematics - 1855 - 592 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... ## 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:... ## A Treatise on Land-Surveying Comprising The Theory Developed from Five ...

...Every circumference is regarded as being divided into 360 equal parts, called degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 seconds. These divisions are indicated by the marks ° ' ". Thus 28 degrees, 17 minutes, and 49 seconds,... ## Arithmetic and Its Applications: Designed as a Text Book for Common Schools ...

Dana Pond Colburn - Arithmetic - 1856 - 366 pages
...circle be 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.... ## School geography

Henry Hopwood - 1856
...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... ## A High-school Astronomy: In which the Descriptive, Physical, and Practical ...

Hiram Mattison - Astronomy - 1856 - 240 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?)... ## The First Book of Arithmetic

Dana Pond Colburn - Arithmetic - 1856 - 176 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.... ## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1856 - 311 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... 