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 38.
Σελίδα 1
... bearings of their most remarkable places from each other , it is usually denominated Mari- time Surveying . This branch of Surveying , how- ever , demands no other qualifications than those , which should be thoroughly acquired by every ...
... bearings of their most remarkable places from each other , it is usually denominated Mari- time Surveying . This branch of Surveying , how- ever , demands no other qualifications than those , which should be thoroughly acquired by every ...
Σελίδα 154
... bearing of the first stationary line AB , let the line be measured , and the length thereof in chains and links be ... bearings and stationary distances . Having done with your first station , set the in- strument over the hole or spot ...
... bearing of the first stationary line AB , let the line be measured , and the length thereof in chains and links be ... bearings and stationary distances . Having done with your first station , set the in- strument over the hole or spot ...
Σελίδα 156
... bearings of the lines AB and BC ; you may then set up your instrument at D , from whence take a back - sight to C , and a fore- sight to E : thus the bearings may be taken quite round , and the stationary distances being annexed to them ...
... bearings of the lines AB and BC ; you may then set up your instrument at D , from whence take a back - sight to C , and a fore- sight to E : thus the bearings may be taken quite round , and the stationary distances being annexed to them ...
Σελίδα 158
... bearings , as before ; the difference of these bearings , if less than 180 , will be the quantity of degrees contain- ed in the given angle ; but if more , take it from 360 , and the remainder will be the degrees contain- ed in the ...
... bearings , as before ; the difference of these bearings , if less than 180 , will be the quantity of degrees contain- ed in the given angle ; but if more , take it from 360 , and the remainder will be the degrees contain- ed in the ...
Σελίδα 159
... bearing of every stationary dis- tance line , from the meridian ; as the circumferen- tor and quartered compass do . To take the angles of the field . PL . 6. fig . 6 . Lay the ends of your index to 360 ° , and 180 ° ; turn the whole ...
... bearing of every stationary dis- tance line , from the meridian ; as the circumferen- tor and quartered compass do . To take the angles of the field . PL . 6. fig . 6 . Lay the ends of your index to 360 ° , and 180 ° ; turn the whole ...
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