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" Take the quotients thus obtained, from the scale of equal parts, connected with the line to be constructed, and set them on this line from the right hand toward the left. The extent from the brass pin on the line of meridional parts to any division on... "
An Elementary Treatise on the Application of Trigonometry to Orthographic ... - Page 134
by John Farrar - 1822 - 153 pages
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An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - Navigation - 1810 - 478 pages
...meridional difference of latitude between the two places denoted by the divisions. These degrees are reduced to leagues by multiplying by 20, or to miles by multiplying by 60. " THE CONSTRUCTION OF THE LOGARITHMICAL LINES ON GUNTER'S SCALE. (P) The line of numbers on which most...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Surveying - 1814 - 558 pages
...meridional difference of latitude between the two places denoted by the divisions. These degrees are reduced to leagues by multiplying by 20, or to miles by multiplying by 60. О The use of the logarithmic^ lines on Gunlcr's Scale. By these lines aiid a pair of compasses, all...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - Surveying - 1821 - 594 pages
...meridional difference of latitude between the two places denoted by t"he divisions. These degrees are reduced to leagues by multiplying by 20, or to miles by multiplying by 60, The use of the logarithmical lines on Quitter's Scale. By these lines and a pair of compasses, all...
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An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - Navigation - 1826 - 504 pages
...meridional difference of latitude between the two places denoted by the divisions. These degrees are reduced to leagues by multiplying by 20, or to miles by multiplying by 60. THE CONSTRUCTION OF THE LOGARITHM1CAL LINES ON GUNTER'S SCALE. (P) The line of numbers on which most...
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An Elementary Treatise on the Application of Trigonomentry to Orthographic ...

John Farrar - Trigonometry - 1833 - 274 pages
...representing 15 miles, or 15'. This line is constructed thus. Take the meridional parts corres* ponding to the several degrees of latitude from a table of...Fig. 28. sector. Thus, in the question of art. 49 (fig. 28), having the angle D = 31°, and DAB = 15°, and the side DB = 100 yards, we take half t of...
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An Elementary Treatise on the Application of Trigonomentry to Orthographic ...

John Farrar - Trigonometry - 1833 - 276 pages
...degrees of latitude from a table of meridional parts, and reduce them to degrees by dividing by CO. Take the quotients thus obtained, from the scale of...and DAB = 15°, and the side DB = 100 yards, we take half t of 100 on the line of lines, and open the sector till this extent shall reach from 15° to 15°...
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An introduction to the theory ... of plane and spherical trigonometry ...

Thomas Keith - 1839 - 498 pages
...meridional difference of latitude between the two places denoted by the divisions. These degrees are reduced to leagues by multiplying by 20, or to miles by multiplying by 60. THE CONSTRUCTION OF THE LOGARITHMIC LINES ON GUNTEIl's SCALE. (39) Ilie line of numbers, on which most...
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An Elementary Treatise of the Application of Trigonometry to Orthographic ...

John Farrar - Logarithms - 1840 - 270 pages
...construction of the other lines. There is moreover a line of meridonial parts, marked Her. or St., placed directly over a line of equal parts with which...Fig. 28. sector. Thus, in the question of art. 49 (fig. 28), having the angle D = 31°, and DAB= 15°, and the side DB = 100 yards, we take half t of...
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