A complete treatise on practical land-surveying1870 |
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Página 2
... greater than a right angle ; as BCD . B A Ꭰ B B D 16. The supplement of an angle is what it wants of two right angles ; as the angle ACB is the supplement of the angle BCD . 17. A triangle is a figure or superficies bounded by three ...
... greater than a right angle ; as BCD . B A Ꭰ B B D 16. The supplement of an angle is what it wants of two right angles ; as the angle ACB is the supplement of the angle BCD . 17. A triangle is a figure or superficies bounded by three ...
Página 7
... greater than half AB , in your compasses , describe arcs cutting each other in m and n . Draw the line mcn , and it will bisect AB in C. A m2 B C PROBLEM II . To bisect a given Angle ABC . PART I. GEOMETRICAL PROBLEMS . Geometrical ...
... greater than half AB , in your compasses , describe arcs cutting each other in m and n . Draw the line mcn , and it will bisect AB in C. A m2 B C PROBLEM II . To bisect a given Angle ABC . PART I. GEOMETRICAL PROBLEMS . Geometrical ...
Página 8
... greater than cm or cn , de- scribe two arcs cutting each other in r . Draw the line cr , and it will be the per- pendicular required . A + D B m C B 12 PROBLEM V. To erect a Perpendicular from a given Point 8 PART I. LAND - SURVEYING .
... greater than cm or cn , de- scribe two arcs cutting each other in r . Draw the line cr , and it will be the per- pendicular required . A + D B m C B 12 PROBLEM V. To erect a Perpendicular from a given Point 8 PART I. LAND - SURVEYING .
Página 9
... greater than the third ( Euclid i . 22 ) . Let the given lines be AB = 10 , AC = 8 , and BC = 6 chains . From any scale of equal parts ( which is to be understood as em- ployed likewise in all the following problems ) lay off the base ...
... greater than the third ( Euclid i . 22 ) . Let the given lines be AB = 10 , AC = 8 , and BC = 6 chains . From any scale of equal parts ( which is to be understood as em- ployed likewise in all the following problems ) lay off the base ...
Página 28
... greater exactness . After having found the area of any field or estate , you may , how- ever , lay it down by any scale that will reduce it to a more conven- ient size . Or you may divide the dimensions by 2 , 3 , 4 , & c . , in order ...
... greater exactness . After having found the area of any field or estate , you may , how- ever , lay it down by any scale that will reduce it to a more conven- ient size . Or you may divide the dimensions by 2 , 3 , 4 , & c . , in order ...
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Términos y frases comunes
acres allotment Area 7a base base-line centre chain chain-line circumferentor Commissioners compass constructed the figure convenient cross cross-staff curve cutting diag diagonal direction distance ditto divided Double areas Draw a line Draw the line embankments equal erect the perpendicular Examples feet fences field field-book find its area find the area find the perpendicular following dimensions following notes given gonal ground hill horizontal hypotenusal inches inclosure Indian ink insets Lay the ruler learner length line BC main-line manner mark the temporary measure method move it parallel Offsets taken parallel ruler perches plan and area plane Plate plotting-scale PROBLEM proof-line quadrant radius railway range range W rectangle rhombus right angles right line right-angled triangle river scale scalene triangle side sine slopes square links station surface survey surveyor tangent temporary line theodolite trapezium ABCD trapezoid triangle ABC trigonometry Valuer whole width
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