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 σελίδες |
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Σελίδα 13
... give a plan , or just representation , of any piece or parcel of land and to determine the content thereof , in such measure as is agreeable and customary to the country or place where the land is . This science depends on some parts of ...
... give a plan , or just representation , of any piece or parcel of land and to determine the content thereof , in such measure as is agreeable and customary to the country or place where the land is . This science depends on some parts of ...
Σελίδα 42
... gives the other one . Cor . 2. In every right - angled triangle , the two acute angles are 90 degrees , or to one right - angle : therefore 90 - one acute angle , gives the other . = THEOREM VI . If in any two triangles , ABC , DEF ...
... gives the other one . Cor . 2. In every right - angled triangle , the two acute angles are 90 degrees , or to one right - angle : therefore 90 - one acute angle , gives the other . = THEOREM VI . If in any two triangles , ABC , DEF ...
Σελίδα 73
... gives the quantity of the angle BAC 48 de- grees , as required ; this is plain from def . 19 . PROB . XVIII . To make a triangle BCE equal to a given quadrila- teral figure ABCD . fig . 58 . fig . 58 . D C A B Draw the diagonal AC , and ...
... gives the quantity of the angle BAC 48 de- grees , as required ; this is plain from def . 19 . PROB . XVIII . To make a triangle BCE equal to a given quadrila- teral figure ABCD . fig . 58 . fig . 58 . D C A B Draw the diagonal AC , and ...
Σελίδα 84
... is 3567 . The difference of these with three cyphers is for a dividend The log . found The next log . Their difference will give for a divisor 11000 3.55230 3.55242 12 12 ) 11000 ( 916 Quotient . 108 20 12 84 OF LOGARITHMS .
... is 3567 . The difference of these with three cyphers is for a dividend The log . found The next log . Their difference will give for a divisor 11000 3.55230 3.55242 12 12 ) 11000 ( 916 Quotient . 108 20 12 84 OF LOGARITHMS .
Σελίδα 89
... give us ta- bles of logarithmic sines , tangents , & c . and such are usually bound up with logarithms of numbers . In which you may observe , that each page is divided into 8 columns , the first and last of which are minutes , and the ...
... give us ta- bles of logarithmic sines , tangents , & c . and such are usually bound up with logarithms of numbers . In which you may observe , that each page is divided into 8 columns , the first and last of which are minutes , and the ...
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A Treatise of Practical Surveying: Which is Demonstrated From Its First ... Robert Gibson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2021 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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