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 pages |
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Page xiii
... INSTRUMENT . ...... ...... Adjustments - Method of observing with the Transit -Use of the Portable Transit - The Portable Alti- tude and Azimuth Instrument - Adjustments and Method of using the Instrument - The Reading Microscope ...
... INSTRUMENT . ...... ...... Adjustments - Method of observing with the Transit -Use of the Portable Transit - The Portable Alti- tude and Azimuth Instrument - Adjustments and Method of using the Instrument - The Reading Microscope ...
Page 69
... instrument . A F B E Plant the instrument at any point C , near the middle of the field , and having placed marks at every angle of it : measure the distances from the instru- ment to each corner ; as also the angles ACB , BCD , DCE ...
... instrument . A F B E Plant the instrument at any point C , near the middle of the field , and having placed marks at every angle of it : measure the distances from the instru- ment to each corner ; as also the angles ACB , BCD , DCE ...
Page 105
... instrument called theCross - Staff , " and which can be made up by any Bazar Carpenter , is used for the purpose of taking Off- sets . It consists of a piece of wood , about 6 inches square and an inch and a half in thickness , fixed on ...
... instrument called theCross - Staff , " and which can be made up by any Bazar Carpenter , is used for the purpose of taking Off- sets . It consists of a piece of wood , about 6 inches square and an inch and a half in thickness , fixed on ...
Page 106
... instrument is very useful for measuring roads , level plains , and every thing where expedition is required . It ... instrument . For portability the wheel A is separable . B In this instrument , the circumference of the wheel A. 106.
... instrument is very useful for measuring roads , level plains , and every thing where expedition is required . It ... instrument . For portability the wheel A is separable . B In this instrument , the circumference of the wheel A. 106.
Page 108
... instrument is best adapted for road work : to a Sur- veyor , it is of little use , its great height rendering it difficult to manage in a high wind , and requiring two men to work it . The only advantage it has over other instruments of ...
... instrument is best adapted for road work : to a Sur- veyor , it is of little use , its great height rendering it difficult to manage in a high wind , and requiring two men to work it . The only advantage it has over other instruments of ...
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Other editions - View all
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth No preview available - 2018 |
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth No preview available - 2017 |
A Manual of Surveying for India, Detailing the Mode of Operations on the ... Ralph Smyth No preview available - 2015 |
Common terms and phrases
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
Popular passages
Page 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.
Page 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.
Page 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.
Page 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.
Page 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.
Page 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...
Page 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Page 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.
Page 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.
Page 5 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...