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 106
... distance from A to B. Now apply the centre of the protractor to the point B , with the arch turned toward the east , because the second bearing is easterly , and move it till the line AB produced cuts the first bearing 50 ° ; the ...
... distance from A to B. Now apply the centre of the protractor to the point B , with the arch turned toward the east , because the second bearing is easterly , and move it till the line AB produced cuts the first bearing 50 ° ; the ...
Página 107
... bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c . as in the figure . From A the centre of the circle , to 1 draw A 1 , on which lay the first distance ...
... bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c . as in the figure . From A the centre of the circle , to 1 draw A 1 , on which lay the first distance ...
Página 110
... distance , by means of the annexed Traverse Table . When the distance is any number of whole chains or perches not exceeding 100 . Find the given bearing at the top or bottom of the ta- ble according as it is less or more than 45 ...
... distance , by means of the annexed Traverse Table . When the distance is any number of whole chains or perches not exceeding 100 . Find the given bearing at the top or bottom of the ta- ble according as it is less or more than 45 ...
Página 111
... bearing N. 781 ° W . dist . 243 perches ? Per . Per . Per . Dist . 100 corresp . Lat . 20.36 and Dep . 97.90 100 43 20.36 8.76 97.90 42.10 Whole Dist . 243 Lat . 49.48N . Dep . 237.90W . When the distance is expressed by chains or ...
... bearing N. 781 ° W . dist . 243 perches ? Per . Per . Per . Dist . 100 corresp . Lat . 20.36 and Dep . 97.90 100 43 20.36 8.76 97.90 42.10 Whole Dist . 243 Lat . 49.48N . Dep . 237.90W . When the distance is expressed by chains or ...
Página 114
... bearings , distances , latitudes , depar- tures , meridian distances , and areas will be as in the table page 117 . Note 1. In a true survey the sum of the Thus the angle gAB is the first bearing , AB the first distance , and 114 MEASURING ...
... bearings , distances , latitudes , depar- tures , meridian distances , and areas will be as in the table page 117 . Note 1. In a true survey the sum of the Thus the angle gAB is the first bearing , AB the first distance , and 114 MEASURING ...
Términos y frases comunes
ABCD ABFD acres adjacent adjacent angles angle ABC angle opposite angled triangle base bearing and distance breadth Calculation centre Co-secant Secant Co-sine Co-tang column cube root decimal DEMONSTRATION departure corresponding diff difference of latitude Dist divide division line draw equal EXAMPLES feet figures find the angle find the area four-pole chains fourth term given angle given area given bearing given number given ratio given side John Gummere Lat Dep latitude and departure length logarithm M.
M. Sine measured meridian distance natural number off-sets parallel parallelogram perches perpendicular quired quotient radius rectangle remainder Required the area right angle right line right-angled triangle RULE semiperimeter side AB side AC square root station stationary line subtract survey tance Tang tangent tract of land trapezium trapezoid triangle ABC trigonometry
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 |
| 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 |