A Treatise on Practical Surveying: Which is Demonstrated from Its First Principles, Wherein Every Thing that is Useful and Curious in that Art, is Fully Considered and ExplainedF. Lucas, Jun. and Joseph Cushing, 1816 - 472 páginas |
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Página xi
... latitude and half departure , to every degree and quarter of a degree of the quadrant , the stationary distance being one chain ; which will be found as ready , by a little practice , and perhaps more exact , than those already ...
... latitude and half departure , to every degree and quarter of a degree of the quadrant , the stationary distance being one chain ; which will be found as ready , by a little practice , and perhaps more exact , than those already ...
Página 213
... 15 0.332 . Note : On this 10th problem are founded most of the calcula- tions of differences by latitude and departure , and those by off- sets , following in this treatise . E A fig . 116 . F C G K TO FIND THE CONTENT OF GROUND . 213.
... 15 0.332 . Note : On this 10th problem are founded most of the calcula- tions of differences by latitude and departure , and those by off- sets , following in this treatise . E A fig . 116 . F C G K TO FIND THE CONTENT OF GROUND . 213.
Página 228
... latitude , or the northing or south- ing of any stationary line , is the distance that one end of the line is north or south from the other end ; or it is the distance which is intercepted on the meridian , between the beginning of the ...
... latitude , or the northing or south- ing of any stationary line , is the distance that one end of the line is north or south from the other end ; or it is the distance which is intercepted on the meridian , between the beginning of the ...
Página 229
... latitude , or northing , and AC the departure or westing of the line BA . Cor . Hence it appears that the stationary distance , difference of latitude , and departure , constitute the three sides of a right angled plane triangle : the ...
... latitude , or northing , and AC the departure or westing of the line BA . Cor . Hence it appears that the stationary distance , difference of latitude , and departure , constitute the three sides of a right angled plane triangle : the ...
Página 231
... latitude and departure for any stationary line , whose course and distance are given , may be obtained by the tables hereunto annexed . To find the Difference of Latitude and Depar- ture , by the Help of the annexed Table . This table ...
... latitude and departure for any stationary line , whose course and distance are given , may be obtained by the tables hereunto annexed . To find the Difference of Latitude and Depar- ture , by the Help of the annexed Table . This table ...
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A Treatise of Practical Surveying: Which is Demonstrated From Its First ... Robert Gibson Sin vista previa disponible - 2021 |
Términos y frases comunes
20 perches 50 Dist ABCD acres altitude annexed Answer base bearing bisect blank line centre chains and links chord circle circumferentor Co-secant Secant Co-sine Co-tang column contained cyphers decimal decimal fraction Dep Lat difference divided divisor draw east edge EXAMPLE feet field-book figures four-pole chains given angle half the sum height Hence hypothenuse inches instrument latitude length logarithm magnetical measure meridian distance multiplied needle number of degrees object off-sets parallel parallelogram perpendicular piece of ground plane Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM sect semicircle side sights sine square root stationary distance sun's suppose survey taken tance Tang tangent thence theo theodolite THEOREM thro trapezium triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence