The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 páginas |
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Página 4
... parallel of latitude pass through the north or south point of the survey . The whole geometrically considered and demonstrated . The fourth section contains the nature of Off - Setts , and the method of casting them up by the pen . The ...
... parallel of latitude pass through the north or south point of the survey . The whole geometrically considered and demonstrated . The fourth section contains the nature of Off - Setts , and the method of casting them up by the pen . The ...
Página 40
... Parallel lines are such as are equi - distant from each other as AB , CD . fig . 9 . 31. A figure is a space bounded by a line or lines . If the lines be right it is called a rectilineal figure , if curved it is called a curvi- lineal ...
... Parallel lines are such as are equi - distant from each other as AB , CD . fig . 9 . 31. A figure is a space bounded by a line or lines . If the lines be right it is called a rectilineal figure , if curved it is called a curvi- lineal ...
Página 41
... parallels have the same height , since all the perpendiculars are equal from the nature of parallels . 41. Any figure of four sides is called a quadrilateral figure . 42. Quadrilateral figures , whose opposite sides are parallel , are ...
... parallels have the same height , since all the perpendiculars are equal from the nature of parallels . 41. Any figure of four sides is called a quadrilateral figure . 42. Quadrilateral figures , whose opposite sides are parallel , are ...
Página 43
... parallel , be produced towards their nearest distance , they will intersect each other . 9. Things which mutually agree with each other , are equal . NOTES . A theorem is a proposition , wherein something is proposed to be demonstrated ...
... parallel , be produced towards their nearest distance , they will intersect each other . 9. Things which mutually agree with each other , are equal . NOTES . A theorem is a proposition , wherein something is proposed to be demonstrated ...
Página 44
... parallel to CD , they may be considered as one broad line , crossed by another line , as GH ; ( then by the last theo . ) GEB - CFH , and AEG = HFD . 2. Also GEB - AEF , and CFH - EFD ; but GEB - CFH ( by part 1. of this theo ...
... parallel to CD , they may be considered as one broad line , crossed by another line , as GH ; ( then by the last theo . ) GEB - CFH , and AEG = HFD . 2. Also GEB - AEF , and CFH - EFD ; but GEB - CFH ( by part 1. of this theo ...
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Términos y frases comunes
ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal difference of latitude Dist divided divisions divisor draw east Ecliptic edge EXAMPLE feet field-book figure four-pole chains given angle given number half the sum height Hence Horizon glass hypothenuse inches instrument length logarithm measure Meridian Altitude meridian distance method multiplied natural co-sine natural number natural sine Nonius number of degrees object observed off-sets opposite parallel parallelogram perches perpendicular plane prob PROBLEM proportional protractor Quadrant quotient radius rhombus right angles right line Secant sect semicircle Sextant side square root station subtract Sun's survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence