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 29
... line is length without fig . 1 . A- B breadth . as AB . fig . 1. and 2 . 4. The extremities of a line are points , as the ex- tremities of the line AB are the points A and B. 5. A right line is the shortest that can be drawn between any ...
... line is length without fig . 1 . A- B breadth . as AB . fig . 1. and 2 . 4. The extremities of a line are points , as the ex- tremities of the line AB are the points A and B. 5. A right line is the shortest that can be drawn between any ...
Σελίδα 30
... line AB to the line BC meeting each other in the point B , or the opening of the two lines BA and BC , is called an ... right ones , it is then called a right - lined angle , as ABC . fig . 4. If one of them be right and the other curved ...
... line AB to the line BC meeting each other in the point B , or the opening of the two lines BA and BC , is called an ... right ones , it is then called a right - lined angle , as ABC . fig . 4. If one of them be right and the other curved ...
Σελίδα 31
... line CB . is called the semidiame- ter , or radius , or any line from the centre to the circum- ference ; whence all radii of the same , or of equal cir- cles are equal . 16. The diameter of a circle is a right line drawn thro ' the ...
... line CB . is called the semidiame- ter , or radius , or any line from the centre to the circum- ference ; whence all radii of the same , or of equal cir- cles are equal . 16. The diameter of a circle is a right line drawn thro ' the ...
Σελίδα 32
... line or lines . If the lines be 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 simple rectilineal ...
... line or lines . If the lines be 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 simple rectilineal ...
Σελίδα 35
... right line may be drawn from any one given point to another . 2. That a right line may be produced or continued at pleasure . 3. That from any centre and with any radius , the circumference of a circle may be described . 4. It is also ...
... right line may be drawn from any one given point to another . 2. That a right line may be produced or continued at pleasure . 3. That from any centre and with any radius , the circumference of a circle may be described . 4. It is also ...
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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