A complete treatise on practical land-surveying1870 |
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Σελίδα xxi
... tangents cannot be pro- longed to meet 418 PROB . 2. To lay out a railway curve by the common method 418 3. To lay out a railway curve by offsets from its tangents . 420 CASE I. II . When the length of the curve is less than of its ...
... tangents cannot be pro- longed to meet 418 PROB . 2. To lay out a railway curve by the common method 418 3. To lay out a railway curve by offsets from its tangents . 420 CASE I. II . When the length of the curve is less than of its ...
Σελίδα 143
... tangent . To take the Altitude of a Hill with the Quadrant . Upon the top of the hill fix an object , exactly as high as your eye will be from the ground , in taking the observation . At the bottom of the hill fix the quadrant staff ...
... tangent . To take the Altitude of a Hill with the Quadrant . Upon the top of the hill fix an object , exactly as high as your eye will be from the ground , in taking the observation . At the bottom of the hill fix the quadrant staff ...
Σελίδα 157
... tangent and radius ; but , in 3 and 4 , it is radius and BD and DC sin and cos . 1. To find BC , R : sec B : BD : BC 2. To find CB , R : sec C : CD : CB 3. To find B , BC : 4. To find C , CB : CD :: R : sin B BD :: R : sin c If the base ...
... tangent and radius ; but , in 3 and 4 , it is radius and BD and DC sin and cos . 1. To find BC , R : sec B : BD : BC 2. To find CB , R : sec C : CD : CB 3. To find B , BC : 4. To find C , CB : CD :: R : sin B BD :: R : sin c If the base ...
Σελίδα 289
... tangent or the horizontal level , and AD secant . In the direction of the secant AD the extent of deviation is ED , which in this case is equal to radius ; but if a perpendicular is dropped from BD to E , parallel to AB , the extent of ...
... tangent or the horizontal level , and AD secant . In the direction of the secant AD the extent of deviation is ED , which in this case is equal to radius ; but if a perpendicular is dropped from BD to E , parallel to AB , the extent of ...
Σελίδα 295
... tangent BF indefinite in the direction of G ; the diagonal BE according to dimensions found , making with BF the angle of depression also found , and the sine EC at an angle equal to FBE . If the work is thus far correct EC will cut BC ...
... tangent BF indefinite in the direction of G ; the diagonal BE according to dimensions found , making with BF the angle of depression also found , and the sine EC at an angle equal to FBE . If the work is thus far correct EC will cut BC ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 513 - A General Dictionary of Geography, Descriptive, Physical, Statistical, and Historical ; forming a complete Gazetteer of the World. By A. KEITH JOHNSTON, FRSE 8vo. 31s. 6d. M'Culloch's Dictionary, Geographical, Statistical, and Historical, of the various Countries, Places, and principal Natural Objects in the World.
Σελίδα 511 - The Debater ; a Series of Complete Debates, Outlines of Debates, and Questions for Discussion. By F. ROWTON. Fcp.
Σελίδα 511 - A Greek-English Lexicon. Compiled by HG LIDDELL, DD Dean of Christ Church, and R. SCOTT, D,D. Dean of Rochester.