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 Cushing & Jewett, J. Robinson printer, 1822 - 326 σελίδες |
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Σελίδα 20
... given to find its root , observe if the number of figures or places in the given square be odd or even , if they be odd , 20 DECIMAL FRACTIONS .
... given to find its root , observe if the number of figures or places in the given square be odd or even , if they be odd , 20 DECIMAL FRACTIONS .
Σελίδα 21
... given square are exhausted , If there be any decimals in the given square , their number must be even , or made so , before we begin to find the root , by adding a cypher to the right hand ; and for every two places of decimals in the ...
... given square are exhausted , If there be any decimals in the given square , their number must be even , or made so , before we begin to find the root , by adding a cypher to the right hand ; and for every two places of decimals in the ...
Σελίδα 22
... given square number is even , we find the nearest square number to the first two figures 29 , which is 25 , the root where- of 5 , we set in the quotient , and deduct 25 from 29 , and to the residue 4 , we annex the following figures 81 ...
... given square number is even , we find the nearest square number to the first two figures 29 , which is 25 , the root where- of 5 , we set in the quotient , and deduct 25 from 29 , and to the residue 4 , we annex the following figures 81 ...
Σελίδα 24
... given square , whose root was required . What is the square root of 16007.3104 ? Answer 126.52 . What is the square root of 348.17320836 ? Answer 18.6594 . What is the square root of 12345678987654321 ? Answer 111111111 . The ...
... given square , whose root was required . What is the square root of 16007.3104 ? Answer 126.52 . What is the square root of 348.17320836 ? Answer 18.6594 . What is the square root of 12345678987654321 ? Answer 111111111 . The ...
Σελίδα 31
... given , be granted as possible : that it is possible for one right line to be perpendicular to another , at a given point or distance ; and that every magnitude has its half , third , fourth , & c . part . Note . Though these postulates ...
... given , be granted as possible : that it is possible for one right line to be perpendicular to another , at a given point or distance ; and that every magnitude has its half , third , fourth , & c . part . Note . Though these postulates ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
20 perches ABCD acres altitude Answer base bearing blank line centre chains and links chord circle circumferentor Co-secant co-sine Co-tang column compass contained cyphers decimal decimal fraction difference Dist 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 measure meridian distance multiplied needle number of degrees object off-sets opposite parallel parallelogram perpendicular piece of ground plane polygon Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM secant second station sect semicircle side sights sine square root stationary distance stationary line sun's suppose survey taken tang tangent thence theo theodolite THEOREM thro triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence