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 |
Dentro del libro
Resultados 1-5 de 59
Página ix
... methods and measures to enable them to distin- guish and adjust the limits of their respective grounds , when the waters were withdrawn . And this opinion is not entirely to be rejected , when we consider that Moses is said to have ...
... methods and measures to enable them to distin- guish and adjust the limits of their respective grounds , when the waters were withdrawn . And this opinion is not entirely to be rejected , when we consider that Moses is said to have ...
Página x
... methods of surveying and of taking inaccessible distances by the chain only , with some necessary problems ; also a parti- cular description of the several instruments used in sur- veying , with their respective uses . The fourth ...
... methods of surveying and of taking inaccessible distances by the chain only , with some necessary problems ; also a parti- cular description of the several instruments used in sur- veying , with their respective uses . The fourth ...
Página xi
... method of determining the areas of surveys from the field - notes , or by calculation than any hitherto published ; and I venture to assert that it is impossible ( from the nature of right - lined figures ) that any me- thod or methods ...
... method of determining the areas of surveys from the field - notes , or by calculation than any hitherto published ; and I venture to assert that it is impossible ( from the nature of right - lined figures ) that any me- thod or methods ...
Página 67
... method a rectangle or oblong , may be described , the sides thereof being given . PROB . X. To divide a given right line AB , into any proposed number of equal parts . fig . 50 . fig . 50 . 0 N M EFG m Draw the infinite right line AP ...
... method a rectangle or oblong , may be described , the sides thereof being given . PROB . X. To divide a given right line AB , into any proposed number of equal parts . fig . 50 . fig . 50 . 0 N M EFG m Draw the infinite right line AP ...
Página 71
... centre , therefore , their point of intersection , H , must be the centre . SCHOLIUM . By this method the centre of a circle may be found by having only a segment of it given . PROB . XVI . To make an angle of any PROBLEMS . 71.
... centre , therefore , their point of intersection , H , must be the centre . SCHOLIUM . By this method the centre of a circle may be found by having only a segment of it given . PROB . XVI . To make an angle of any PROBLEMS . 71.
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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