A Treatise on Surveying,: Containing the Theory and Practice: : to which is Prefixed a Perspicuous System of Plane Trigonometry. : The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. : Particularly Adapted to the Use of SchoolsKimber and Sharpless, no. 93, Market Street, and John Richardson, no. 244, Market Street., 1820 - 206 páginas |
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Página 25
A plane superficies is that in which any two points being taken , the straight line which joins them lies wholly in that superficies . 7. A plane rectilineal angle is the inclination of two straight lines to one another , which meet ...
A plane superficies is that in which any two points being taken , the straight line which joins them lies wholly in that superficies . 7. A plane rectilineal angle is the inclination of two straight lines to one another , which meet ...
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A right line joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling ...
A right line joining any two opposite angles of a quadrilateral figure , is called a diagonal . 31. That side upon which any parallelogram , or trian- . gle is supposed to stand , is called the base ; and the perpendicular falling ...
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Take any point D not in the line AB , and with the distance from D to B , describe a circle cutting AB in E ; from E through D draw the right line EDC , cutting the periphery in C , and join CB , which will be perpendicular to AB .
Take any point D not in the line AB , and with the distance from D to B , describe a circle cutting AB in E ; from E through D draw the right line EDC , cutting the periphery in C , and join CB , which will be perpendicular to AB .
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... each into ten equal parts , and from the points of division on the line EB , draw diagonals to the points of division on the line FC : thus join E and the first division on FC , the first division on EB and the second on FC , & c .
... each into ten equal parts , and from the points of division on the line EB , draw diagonals to the points of division on the line FC : thus join E and the first division on FC , the first division on EB and the second on FC , & c .
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... to two given right lines A and B. Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL parallel to it : then will CL be the third -E L proportional required .
... to two given right lines A and B. Draw two right lines , CD , CE B containing any angle ; make CF A equal A , and CG , CH each equal B ; join FG and draw HL parallel to it : then will CL be the third -E L proportional required .
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ABCD according acres adjacent angle base bearing bearing and distance Calculation called centre circle Co-secant Co-sine Co-tang column Construction contained corresponding Courses decimal Deg Dist DEMONSTRATION describe difference distance divide division draw east equal EXAMPLES feet figures find the area given given angle given area given side greater half hand height hypothenuse join latitude and departure length less logarithm measured meeting meridian distance Note off-sets opposite parallel perches perpendicular preceding PROBLEM quotient radius ratio rectangle remainder Required the area right angle right line root RULE running scale Secant side side AC sine square station subtract survey taken Tang Tangent triangle ABC twice