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 |
From inside the book
Results 1-5 of 40
Page xiii
... edge - Of Parallel Rulers - The Com- mon Parallel Ruler - The double ditto - The Cross- barred ditto - The Rolling ditto . VIII . ON SCALES ... .... 170 191 ... e 205 Simple Divided Scales - Diagonal Scales ― Their Con- struction and ...
... edge - Of Parallel Rulers - The Com- mon Parallel Ruler - The double ditto - The Cross- barred ditto - The Rolling ditto . VIII . ON SCALES ... .... 170 191 ... e 205 Simple Divided Scales - Diagonal Scales ― Their Con- struction and ...
Page 57
... edge at each end of the base were , at A 82 ° 48 ' and at B 33 ° 46 ' . What is the breadth ? We have here given the angle A 82 ° 48 ' , the angle B = = 33 ° 46 ' , consequently the angle = 180 ° ( 82 ° 48 ' + 33 ° C 33,46 = 63 ° 26 ...
... edge at each end of the base were , at A 82 ° 48 ' and at B 33 ° 46 ' . What is the breadth ? We have here given the angle A 82 ° 48 ' , the angle B = = 33 ° 46 ' , consequently the angle = 180 ° ( 82 ° 48 ' + 33 ° C 33,46 = 63 ° 26 ...
Page 66
... edge of one staff , the edges of the other two may coincide with it . The line may then be prolonged by fixing up other staves . The accuracy of this operation depends greatly on fixing the staves upright , and , not letting the eye be ...
... edge of one staff , the edges of the other two may coincide with it . The line may then be prolonged by fixing up other staves . The accuracy of this operation depends greatly on fixing the staves upright , and , not letting the eye be ...
Page 97
... edge of a parallel ruler from A to C , having B above it : hold the other side of the ruler fast ; open until the same edge touches B , and with a protracting pin , mark the point b on the produced line : lay the edge of the ruler from ...
... edge of a parallel ruler from A to C , having B above it : hold the other side of the ruler fast ; open until the same edge touches B , and with a protracting pin , mark the point b on the produced line : lay the edge of the ruler from ...
Page 98
... edge of the ruler from H to F , having G above it , keep the other side fast , open until the same edge touches G , and mark the point g , on the produced line : lay the edge of the ruler from g to E , having F above it , keep the other ...
... edge of the ruler from H to F , having G above it , keep the other side fast , open until the same edge touches G , and mark the point g , on the produced line : lay the edge of the ruler from g to E , having F above it , keep the other ...
Contents
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xxvi | |
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...