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 páginas |
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Página 26
... right - lined angle , as ABC . fig . 4 . If one of them be right and the other curved , it is called a mixed - angle ... angles ADC , CDB , on each side , equal to each other , these angles are called right angles , and the line CD a ...
... right - lined angle , as ABC . fig . 4 . If one of them be right and the other curved , it is called a mixed - angle ... angles ADC , CDB , on each side , equal to each other , these angles are called right angles , and the line CD a ...
Página 27
... angles in general are call- ed oblique angles . 14. If a right line CB , fig . 8. be fastened at the end C , and the other end B , be carried quite round , then the space comprehended is called a circle ; and the curve line described by ...
... angles in general are call- ed oblique angles . 14. If a right line CB , fig . 8. be fastened at the end C , and the other end B , be carried quite round , then the space comprehended is called a circle ; and the curve line described by ...
Página 28
... right it is called a rectilineal figure , if curved it is called a curvilineal figure ; but if they be partly right and partly curved lines , it is called a mixt figure . 19. The most ... angled , having all the angles acute 28 GEOMETRY .
... right it is called a rectilineal figure , if curved it is called a curvilineal figure ; but if they be partly right and partly curved lines , it is called a mixt figure . 19. The most ... angled , having all the angles acute 28 GEOMETRY .
Página 30
... angles right , is call- ed a square , as ABCD . fig . 17 . D fig . 17 . C 31. A parallelogram whose opposite sides are equal and angles right , is called a rectangle or an oblong , as ABCD , fig . 3 . 32. A rhombus is a parallelogram of ...
... angles right , is call- ed a square , as ABCD . fig . 17 . D fig . 17 . C 31. A parallelogram whose opposite sides are equal and angles right , is called a rectangle or an oblong , as ABCD , fig . 3 . 32. A rhombus is a parallelogram of ...
Página 31
... angles to others 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 ...
... angles to others 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 ...
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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 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