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 σελίδες |
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Σελίδα 14
... measured by half the arc it subtends or stands on . Cor . 2. All angles at the circum- ference of a circle which stand on the same chord as AB , are equal to each other or they are all measured by ha1 the arc they stand on , viz . by ...
... measured by half the arc it subtends or stands on . Cor . 2. All angles at the circum- ference of a circle which stand on the same chord as AB , are equal to each other or they are all measured by ha1 the arc they stand on , viz . by ...
Σελίδα 18
... measured by the arc AEB ; therefore the sum of the other two angles is 120 degrees ( by Cor . 1. Theo . 5. ) but since AC CB , the = angle CAB CBA ( by Lemma Theo . = = E B 6. ) consequently each of them will be 60 , the half of 120 de ...
... measured by the arc AEB ; therefore the sum of the other two angles is 120 degrees ( by Cor . 1. Theo . 5. ) but since AC CB , the = angle CAB CBA ( by Lemma Theo . = = E B 6. ) consequently each of them will be 60 , the half of 120 de ...
Σελίδα 57
... measured on one side of 43 Chs . 62 Lks . and the angles subtended by a tree on the opposite 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 ...
... measured on one side of 43 Chs . 62 Lks . and the angles subtended by a tree on the opposite 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 ...
Σελίδα 62
... measuring squares being an inch , or a foot , or a yard , or any other fixed quantity . And hence the area or content is said to be so many square inches , or square feet , or square yards , & c . Thus , if the figure to be measured be ...
... measuring squares being an inch , or a foot , or a yard , or any other fixed quantity . And hence the area or content is said to be so many square inches , or square feet , or square yards , & c . Thus , if the figure to be measured be ...
Σελίδα 70
... measuring these lines , take off- sets to all the smaller bends , as shewn in the diagram . The plan may either be protracted in the field , or the bearings and measurements entered in a field - book . PROB . X. B C A C To take the plan ...
... measuring these lines , take off- sets to all the smaller bends , as shewn in the diagram . The plan may either be protracted in the field , or the bearings and measurements entered in a field - book . PROB . X. B C A C To take the plan ...
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Άλλες εκδόσεις - Προβολή όλων
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
A Manual of Surveying for India: Detailing the Mode of Operations on the ... R. Smyth Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2017 |
A Manual of Surveying for India, Detailing the Mode of Operations on the ... Ralph Smyth Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.
Σελίδα 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...
Σελίδα 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Σελίδα 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.
Σελίδα 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.
Σελίδα 5 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees...