The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 25.
Σελίδα 157
... east into 90 , from the north to the west into 90 , from the south to the east into 90 , and from the south to the west into 90 degrees ; so the degrees are numbered from the north to the east or west , and from the south to the east or ...
... east into 90 , from the north to the west into 90 , from the south to the east into 90 , and from the south to the west into 90 degrees ; so the degrees are numbered from the north to the east or west , and from the south to the east or ...
Σελίδα 158
... east , or west , you are then to write down N , S , E , or W , without annexing any degree . This is the manner of taking field notes , where- by the content of ground may be universally de- termined by calculation ; and they are said ...
... east , or west , you are then to write down N , S , E , or W , without annexing any degree . This is the manner of taking field notes , where- by the content of ground may be universally de- termined by calculation ; and they are said ...
Σελίδα 161
... east and west , or the situation of the land , is obtained . To take the bearing of each respective line from the meridi an ; or to perform the office of the circumferentor , or quartered compass by the theodolite . Set your instrument ...
... east and west , or the situation of the land , is obtained . To take the bearing of each respective line from the meridi an ; or to perform the office of the circumferentor , or quartered compass by the theodolite . Set your instrument ...
Σελίδα 172
... east , and W. at the bottom of your paper for west . Then let the following field - book be that which is to be protracted , the bearings being taken from the meridian , whether by a circumferentor , theo- dolite , or semicircle , and ...
... east , and W. at the bottom of your paper for west . Then let the following field - book be that which is to be protracted , the bearings being taken from the meridian , whether by a circumferentor , theo- dolite , or semicircle , and ...
Σελίδα 173
... east . 1 Or if the right hand be made the north , and the left the south , the west will be then up , and the east down . In this case , if the degree be less than 180 , turn the arc of your protractor upwards , or towards the west ...
... east . 1 Or if the right hand be made the north , and the left the south , the west will be then up , and the east down . In this case , if the degree be less than 180 , turn the arc of your protractor upwards , or towards the west ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acres altitude Answer arch base bearing blank line centre chains and links circle circle of latitude circumferentor Co-sec Co-tang column compasses contained decimal Dep Lat Dep difference Dist divided divisions draw east Ecliptic edge EXAMPLE feet field-book figures fore four-pole chains geometrical series given number half the sum Horizon glass hypothenuse inches instrument Lat Dep Lat latitude length logarithm measure meridian distance multiplied Natural Co-sines natural sine Nonius number of degrees object observed off-sets opposite parallelogram perches perpendicular plane pole pole star PROB proportion protractor Quadrant quotient radius right angles right line scale of equal SCHOLIUM screw Secant sect semicircle Sextant side sights square root station stationary distance subtracted survey taken Tang tangent theo theodolite trapezium triangle ABC trigonometry vane versed sine vulgar fraction