A Manual of Surveying for India, Detailing the Mode of Operations on the Revenue Surveys in Bengal and the North-western ProvincesW. Thacker, 1851 - 718 sider |
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Side x
... accuracy in whatever Survey operations may be undertaken , to keep pace with the refinements of the present day , and to the benefit and extension of our geographical knowledge , the labor expended in passing such a volume through the ...
... accuracy in whatever Survey operations may be undertaken , to keep pace with the refinements of the present day , and to the benefit and extension of our geographical knowledge , the labor expended in passing such a volume through the ...
Side 66
... accuracy of this operation depends greatly on fixing the staves upright , and , not letting the eye be too near the staff from whence the observation is made . PROB . II . To walk in a straight line from a proposed point to a given ...
... accuracy of this operation depends greatly on fixing the staves upright , and , not letting the eye be too near the staff from whence the observation is made . PROB . II . To walk in a straight line from a proposed point to a given ...
Side 67
... accuracy , they may hold up staves . In sketching ground , it is constantly necessary to get in line between two objects : if these are not very distant , a well - drilled soldier can always do so within a few paces ( near enough for ...
... accuracy , they may hold up staves . In sketching ground , it is constantly necessary to get in line between two objects : if these are not very distant , a well - drilled soldier can always do so within a few paces ( near enough for ...
Side 70
... accuracy , and cause the work to close ( as it is termed ) with proper exactness . PROB . XI . To change a triangle into another of equal extent , but different height . A D D A Let ABC be the given triangle , D a point at the given ...
... accuracy , and cause the work to close ( as it is termed ) with proper exactness . PROB . XI . To change a triangle into another of equal extent , but different height . A D D A Let ABC be the given triangle , D a point at the given ...
Side 87
... accuracy is required . The observer may be considered in three different positions with respect to the centre and the objects ; for he is either in a line with the centre , and one of these objects , or in an inter- mediate one , that ...
... accuracy is required . The observer may be considered in three different positions with respect to the centre and the objects ; for he is either in a line with the centre , and one of these objects , or in an inter- mediate one , that ...
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Vanlige uttrykk og setninger
accuracy adjustment altitude angular axis azimuth base Beam Compass bisect boundary centre chord circle collimation compasses computation construction correct deducted degrees describe difference distance divided Draw the line drawn edge error feet Field-book figure fixed given line ground half height horizontal inches instrument intersection latitude length limb Logarithm longitude main circuit mark measure meridian method natural number object observed angle obtain offsets opposite parallax parallel parallelogram perpendicular plane plate polygon position PROB produced protractor radius Ray Trace reading rhombus right angles right line scale of equal screw segment sextant side Sine square station line straight line subtract Survey Surveyor taken talc tangent telescope Theo Theodolite triangle ABC Trigono Trigonometrical Trigonometrical Survey tube vernier vernier scale vertical village wires zero وو
Populære avsnitt
Side 7 - Things which are equal to the same thing are equal to one another. 2. If equals be added to equals the wholes are equal. 3. If equals be taken from equals the remainders are equal. 4. If equals be added to unequals the wholes are unequal. 5. If equals be taken from unequals the remainders are unequal. 6. Things which are double of the same are equal to one another.
Side 2 - But when a straight line standing upon another straight line makes the adjacent angles equal to one another, each of the angles is a right angle : (Ю.
Side 14 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Side 12 - F, which is the common vertex of the triangles: that is », together with four right angles. Therefore all the angles of the figure, together with four right angles are equal to twice as many right angles as the figure has sides.
Side 240 - Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extremity.
Side 2 - When several angles are at one point B, any one of them is expressed by three letters, of which the letter that is at the vertex of the angle, that is, at the point in which the straight lines that contain the angle meet one another, is put between the other two letters, and one of these two...
Side 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Side 273 - 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.
Side 149 - ... to make the objects appear on the other wire ; if the contact still remains perfect, the axis of the telescope is in proper adjustment ; if not, it must be altered by moving the two screws which fasten, to the up-and-down piece, the collar into which the telescope screws. This adjustment is not very liable to be deranged.
Side 5 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...