A complete treatise on practical land-surveying1870 |
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Σελίδα xxii
... slopes of the two sides are different 444 446 448 . 449 • 449 CASE I. When the depths are given . 449 II . When the sectional areas are given 450 10. To apply the general table and table No. II . to such bottom widths and ratios of slopes ...
... slopes of the two sides are different 444 446 448 . 449 • 449 CASE I. When the depths are given . 449 II . When the sectional areas are given 450 10. To apply the general table and table No. II . to such bottom widths and ratios of slopes ...
Σελίδα 141
... slope , take its altitude with a the- odolite , or with a quadrant ; then , by a trigonometrical canon , in which the hypotenuse may be counted 100 links , determine the number of links in the base . These deducted from 100 will show ...
... slope , take its altitude with a the- odolite , or with a quadrant ; then , by a trigonometrical canon , in which the hypotenuse may be counted 100 links , determine the number of links in the base . These deducted from 100 will show ...
Σελίδα 143
... hills are of a regular slope , surveyors , in general , elevate the chain , as they ascend or descend a hill , in order to preserve the horizontal line . A n m a d Examples . B D m PART IV . 143 QUADRANTS AND THEIR USE .
... hills are of a regular slope , surveyors , in general , elevate the chain , as they ascend or descend a hill , in order to preserve the horizontal line . A n m a d Examples . B D m PART IV . 143 QUADRANTS AND THEIR USE .
Σελίδα 152
... slope , take the dimensions and find the area in the same manner as if the figure lay upon a plane . But should it be required to find the area of a field ( suppose in the form of a trapezium ) in which there is a hill so situated as to ...
... slope , take the dimensions and find the area in the same manner as if the figure lay upon a plane . But should it be required to find the area of a field ( suppose in the form of a trapezium ) in which there is a hill so situated as to ...
Σελίδα 271
... slope or angle of depression seawards which is required both for the embankment aud the drainage of the land . Second , The levels being thus given at the two extremes ( the outer and inner boundary lines ) , and shown upon the ...
... slope or angle of depression seawards which is required both for the embankment aud the drainage of the land . Second , The levels being thus given at the two extremes ( the outer and inner boundary lines ) , and shown upon the ...
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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.