The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtEvert Duyckinck, 1814 - 508 σελίδες |
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Σελίδα 1
... surveys ; and fourthly , to the calculation of its area , or super- ficial content . When this art is employed in ... Survey- ing , therefore , requires an intimate acquaintance with the several parts of the Mathematics , which are ...
... surveys ; and fourthly , to the calculation of its area , or super- ficial content . When this art is employed in ... Survey- ing , therefore , requires an intimate acquaintance with the several parts of the Mathematics , which are ...
Σελίδα 136
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
... surveys arise from bad chaining , that is , from straying out of the right line , as well as from other omissions of ... survey , in a grest measure , de- pends on his care and skill . In setting out to measure any stationary distance ...
Σελίδα 140
... surveys are taken by a four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we will shew how to re- duce one to the other , in the following problems . PROB . I. To reduce two - pole chains and ...
... surveys are taken by a four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we will shew how to re- duce one to the other , in the following problems . PROB . I. To reduce two - pole chains and ...
Σελίδα 145
... Survey by the CHAIN only . PROB . I. To survey a piece of ground , by going round it , and the me thod of taking the angles of the field , by the chain only . PL . 6. fig . 6 . Let ABCDEFG be a piece of ground to be sur- veyed ...
... Survey by the CHAIN only . PROB . I. To survey a piece of ground , by going round it , and the me thod of taking the angles of the field , by the chain only . PL . 6. fig . 6 . Let ABCDEFG be a piece of ground to be sur- veyed ...
Σελίδα 147
... which is surveyed , for these must be expressed in the map . In a survey of a town - land , or estate , it is suffi- cient to mention only the circumjacent town - lands , without the occupiers ' names : but when a part OF THE CHAIN . 147.
... which is surveyed , for these must be expressed in the map . In a survey of a town - land , or estate , it is suffi- cient to mention only the circumjacent town - lands , without the occupiers ' names : but when a part OF THE CHAIN . 147.
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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