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 páginas |
Dentro del libro
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Página xix
... Latitude and Longitude -- Illus- tration of Latitude and Longitude - Table exhibiting the lengths of the meridional and values of the Longitudinal degrees between the Parallels of 8 ° and 36 ° of Latitude - Method of describing the ...
... Latitude and Longitude -- Illus- tration of Latitude and Longitude - Table exhibiting the lengths of the meridional and values of the Longitudinal degrees between the Parallels of 8 ° and 36 ° of Latitude - Method of describing the ...
Página xxiii
... LATITUDE OF A PLACE . ...... ...... Method of determining the Latitude by the Meridional Altitude of the Sun - Example and Computation- Formula for computing the correction to be applied for observations taken before and after the ...
... LATITUDE OF A PLACE . ...... ...... Method of determining the Latitude by the Meridional Altitude of the Sun - Example and Computation- Formula for computing the correction to be applied for observations taken before and after the ...
Página 142
... of celestial bodies . To a Surveyor who generally has only Theodolites of small dimen- sions , it is most useful for determining his latitude or longitude . The principle of its construction may be gathered from the 142.
... of celestial bodies . To a Surveyor who generally has only Theodolites of small dimen- sions , it is most useful for determining his latitude or longitude . The principle of its construction may be gathered from the 142.
Página 150
... latitude , & c . , it must be further corrected for refraction and parallax , to obtain the true altitude , subtracting the former and adding the latter ; and when the sea horizon is employed , a quantity must also be subtracted for the ...
... latitude , & c . , it must be further corrected for refraction and parallax , to obtain the true altitude , subtracting the former and adding the latter ; and when the sea horizon is employed , a quantity must also be subtracted for the ...
Página 151
... latitude and longitude of a place , & c . , for which , and many other purposes , it is invaluable to the Surveyor . ON THE ARTIFICIAL HORIZON . WHEN the altitude of a celestial object is to be taken at sea , the observer has the ...
... latitude and longitude of a place , & c . , for which , and many other purposes , it is invaluable to the Surveyor . ON THE ARTIFICIAL HORIZON . WHEN the altitude of a celestial object is to be taken at sea , the observer has the ...
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Otras ediciones - Ver todas
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth Sin vista previa disponible - 2018 |
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth Sin vista previa disponible - 2017 |
A Manual of Surveying for India, Detailing the Mode of Operations on the ... Ralph Smyth Sin vista previa disponible - 2015 |
Términos y frases comunes
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
Pasajes populares
Página 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.
Página 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.
Página 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.
Página 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.
Página 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.
Página 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...
Página 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 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.
Página 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.
Página 5 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...