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 25
... double of the said root be made a divisor to all the figures of that last remainder , except the last ; put the quotient thereof with the root , or former quo- tient ; and having multiplied it into the numbers so formed , deduct the ...
... double of the said root be made a divisor to all the figures of that last remainder , except the last ; put the quotient thereof with the root , or former quo- tient ; and having multiplied it into the numbers so formed , deduct the ...
Página 26
... double of the first figure in the quotient being 10 , is then set as a divisor to 48 , all the figures in the resolvend , but the last ; and finding it to be contained 4 times , we annex the 4 to the divisor and quotient ; the then ...
... double of the first figure in the quotient being 10 , is then set as a divisor to 48 , all the figures in the resolvend , but the last ; and finding it to be contained 4 times , we annex the 4 to the divisor and quotient ; the then ...
Página 31
... called semicircles ; and is double the radius , as AB or DE , fig . 8 . 17. Parallel lines are such as are every where equidistant from each other , as AB , CD . fig . 9 . " fig . B 18. A figure is a space bounded by a line GEOMETRY . 31.
... called semicircles ; and is double the radius , as AB or DE , fig . 8 . 17. Parallel lines are such as are every where equidistant from each other , as AB , CD . fig . 9 . " fig . B 18. A figure is a space bounded by a line GEOMETRY . 31.
Página 32
... double capacity ; 1st , with respect to its sides ; and 2d , to its angles . 20. In respect to its sides it is ei- ther equilateral , having the three sides equal , as A. fig . 10 . 21. Or isosceles , having two equal sides , as B. fig ...
... double capacity ; 1st , with respect to its sides ; and 2d , to its angles . 20. In respect to its sides it is ei- ther equilateral , having the three sides equal , as A. fig . 10 . 21. Or isosceles , having two equal sides , as B. fig ...
Página 43
... double the angle BAD at the circumference , stand- ing upon the same arc BED . fig . 25 . B Through the point A , and the centre C , draw the line ACE then the angle ECD = CAD + CDA ; ( by theo . 4. ) but since ACCD being radii of the ...
... double the angle BAD at the circumference , stand- ing upon the same arc BED . fig . 25 . B Through the point A , and the centre C , draw the line ACE then the angle ECD = CAD + CDA ; ( by theo . 4. ) but since ACCD being radii of the ...
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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