A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 32
To make a plain diagonal scale , Fig . 29 . Draw eleven lines parallel to , and equidistant from ... Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions in ...
To make a plain diagonal scale , Fig . 29 . Draw eleven lines parallel to , and equidistant from ... Diagonal scales serve to take off dimensions or numbers of three figures . If the first large divisions be parts ; and the divisions in ...
Página 33
For example , suppose it were required to take off 242 from the scale . Extend the dividers from E to 2 towards H ; and with one leg fixed in the point 2 , extend the other till it reaches 4 in the line EB ; move one leg of the dividers ...
For example , suppose it were required to take off 242 from the scale . Extend the dividers from E to 2 towards H ; and with one leg fixed in the point 2 , extend the other till it reaches 4 in the line EB ; move one leg of the dividers ...
Página 38
With the centre A , and a radius equal to 60 degrees , taken from a scale of chords , describe an arc , cutting AB in m ; from the same scale of chords , take 38 de . grees and apply it to the arc from m to n , and from A through n draw ...
With the centre A , and a radius equal to 60 degrees , taken from a scale of chords , describe an arc , cutting AB in m ; from the same scale of chords , take 38 de . grees and apply it to the arc from m to n , and from A through n draw ...
Página 41
ON GUNTER'S SCALE . . Gunter's Scale is an instrument by which , with a pair of dividers , the different cases in trigonometry , and many other problems may be solved . It has on one side , a diagonal scale , and also the lines of ...
ON GUNTER'S SCALE . . Gunter's Scale is an instrument by which , with a pair of dividers , the different cases in trigonometry , and many other problems may be solved . It has on one side , a diagonal scale , and also the lines of ...
Página 42
The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c . to 10 , then 20 , 30 , 40 , & c . to 90 , where it terminates , just opposite 10 on the line of numbers . Tangents .
The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c . to 10 , then 20 , 30 , 40 , & c . to 90 , where it terminates , just opposite 10 on the line of numbers . Tangents .
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Términos y frases comunes
ABCD according acres adjacent angle base bearing bearing and distance Calculation called centre circle Co-secant Co-sine Co-tang column Construction contained corresponding Courses decimal Deg Dist DEMONSTRATION describe difference distance divide division draw east equal EXAMPLES feet figures find the area given given angle given area given side greater half hand height hypothenuse join latitude and departure length less logarithm measured meeting meridian distance Note off-sets opposite parallel perches perpendicular preceding PROBLEM quotient radius ratio rectangle remainder Required the area right angle right line root RULE running scale Secant side side AC sine square station subtract survey taken Tang Tangent triangle ABC twice
Información bibliográfica
| Título | A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of Schools |
| Autor | John Gummere |
| Colaboradores | John Richardson, Thomas H. Palmer, Kimber & Sharpless |
| Edición | 3 |
| Editor | Kimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 |
| Procedencia del original | Biblioteca Pública de Nueva York |
| Digitalizado | 12 Abr. 2011 |
| Largo | 206 páginas |
| Exportar cita | BiBTeX EndNote RefMan |