A complete treatise on practical land-surveying1870 |
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Results 1-5 of 84
Page xix
... distance of accessible objects , when obstructions pre- vent the measurement of these distances in direct lines 358 . 359 359 359 359 360 360 360 360 • 363 364 4. To find the height of a tower , standing on a horizontal plane , the base ...
... distance of accessible objects , when obstructions pre- vent the measurement of these distances in direct lines 358 . 359 359 359 359 360 360 360 360 • 363 364 4. To find the height of a tower , standing on a horizontal plane , the base ...
Page 1
... distance between two points ; as AB . 5. A curved line continu- ally changes its direction be- tween its extremities ; as AB . 6. Parallel lines always remain at the same distance from each other , and , though continually produced ...
... distance between two points ; as AB . 5. A curved line continu- ally changes its direction be- tween its extremities ; as AB . 6. Parallel lines always remain at the same distance from each other , and , though continually produced ...
Page 3
... is the hy- potenuse , BC the perpendicular , and AB the base . C B A 23. An acute - angled triangle has all its angles PART I. GEOMETRICAL DEFINITIONS . To find the distance of accessible objects, when obstructions pre-
... is the hy- potenuse , BC the perpendicular , and AB the base . C B A 23. An acute - angled triangle has all its angles PART I. GEOMETRICAL DEFINITIONS . To find the distance of accessible objects, when obstructions pre-
Page 8
... distance as a radius , describe the arcs r Draw CD to touch and o . these arcs , without cutting C them , and it ... distances . cm and cn ; from m and n as centres , with any radius greater than cm or cn , de- scribe two arcs cutting ...
... distance as a radius , describe the arcs r Draw CD to touch and o . these arcs , without cutting C them , and it ... distances . cm and cn ; from m and n as centres , with any radius greater than cm or cn , de- scribe two arcs cutting ...
Page 9
... distance of the given line , de- scribe an arc cutting AB in m and n . With the centres m and n , and the same or any radius exceeding half their distance , describe arcs inter- secting each other in r . Draw the line cr , and CD will ...
... distance of the given line , de- scribe an arc cutting AB in m and n . With the centres m and n , and the same or any radius exceeding half their distance , describe arcs inter- secting each other in r . Draw the line cr , and CD will ...
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Common terms and phrases
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
Popular passages
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