A practical treatise on ... land and engineering surveying, Τόμος 341863 |
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Αποτελέσματα 1 - 5 από τα 100.
Σελίδα 30
... Plate 27 . LINES . Problem 1 . To draw a line parallel to another , Plate 1 , Fig . 1 . Take the distance required in the compass , from two or three points on the line A B , describe arcs as a b c , draw a line touching those arcs will ...
... Plate 27 . LINES . Problem 1 . To draw a line parallel to another , Plate 1 , Fig . 1 . Take the distance required in the compass , from two or three points on the line A B , describe arcs as a b c , draw a line touching those arcs will ...
Σελίδα 34
... Plate 1 , describe the arc B C ; then with the compass take the distance from B to C , and apply it to the scale of chords , which will give the measure or number of degrees and minutes contained in the angle . Problem 14 . To measure ...
... Plate 1 , describe the arc B C ; then with the compass take the distance from B to C , and apply it to the scale of chords , which will give the measure or number of degrees and minutes contained in the angle . Problem 14 . To measure ...
Σελίδα 40
... Plate 2 , be the segment of a circle ; the angles formed by lines drawn from the extremities A and B of the base of the segment to any points C and D of its arc , as the angles AC B , A D B are equal . Note . - This problem is referred ...
... Plate 2 , be the segment of a circle ; the angles formed by lines drawn from the extremities A and B of the base of the segment to any points C and D of its arc , as the angles AC B , A D B are equal . Note . - This problem is referred ...
Σελίδα 42
... Plate 2 . Let A B C be the given points ; it is required to draw A D , so that if continued it would pass through the centre of the circle containing A B C. Make the angle BAD equal to the complement of the angle BCA , and AD is the ...
... Plate 2 . Let A B C be the given points ; it is required to draw A D , so that if continued it would pass through the centre of the circle containing A B C. Make the angle BAD equal to the complement of the angle BCA , and AD is the ...
Σελίδα 46
... Plate 3 . Bisect the angles A and B ; from the point of intersection at O , let fall a perpendicular O N , it will be the radius of the re- quired circle . Problem 52 . To inscribe a pentagon , or hexagon , or a decagon in a given ...
... Plate 3 . Bisect the angles A and B ; from the point of intersection at O , let fall a perpendicular O N , it will be the radius of the re- quired circle . Problem 52 . To inscribe a pentagon , or hexagon , or a decagon in a given ...
Άλλες εκδόσεις - Προβολή όλων
A Practical Treatise on ... Land and Engineering Surveying Henry S. Merrett Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
A Practical Treatise On ... Land and Engineering Surveying Henry S Merrett Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
A B C acres adjustment base line bubble calculated centre chain lines chord circle circumference circumferentor collimation column compass correct cross sections cube yards curve datum line described diameter Diff difference Ditto divided divisions draw the line equal fence field-book fifth column figure find the area fixed flag fore sights frustrum given ground height horizontal inches and decimals inclosure instrument intersecting length line A B logarithm manner mark measure method minutes multiply needle object Offsets in inches parallel plate parallelogram pencil perpendicular plotted poles Problem protractor quantity quotient Radius in chains right angles roods Rule scale secant sector segment sextant side A B sine slopes spirit level square links staff station straight edge subtract surface survey surveyor TABLE take the angle tangent points telescope theodolite tie line tracing paper transverse distance trapezium triangle vernier vertical whole
Δημοφιλή αποσπάσματα
Σελίδα 102 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Σελίδα 66 - ... the rail; multiply the length by the breadth and the product by the height; then divide the product by two, and you have the number of bushels of shelled corn in the crib.