Practical Surveying: A Text-book for Students Preparing for Examinations Or for Survey-work in the ColoniesC. Lockwood and Son, 1889 - 272 σελίδες |
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Σελίδα i
... Four Lithographic Plates and upwards of 330 Ellustrations Capio Lumen REE fif UNIVERS . CROSBY LONDON LOCKWOOD AND SON 7 , STATIONERS ' HALL COURT , LUDGATE HILL 1889 [ All rights reserved . ] PREFACE . In submitting this little work to ...
... Four Lithographic Plates and upwards of 330 Ellustrations Capio Lumen REE fif UNIVERS . CROSBY LONDON LOCKWOOD AND SON 7 , STATIONERS ' HALL COURT , LUDGATE HILL 1889 [ All rights reserved . ] PREFACE . In submitting this little work to ...
Σελίδα 1
... four rules of Arithmetic , and the rule of Proportion , both in Whole Numbers and in Fractions , espe- cially Decimals , with the nature of Logarithms and the use of Loga- rithmic Tables , and with at least Algebraic Notation . As it is ...
... four rules of Arithmetic , and the rule of Proportion , both in Whole Numbers and in Fractions , espe- cially Decimals , with the nature of Logarithms and the use of Loga- rithmic Tables , and with at least Algebraic Notation . As it is ...
Σελίδα 2
... four - pole chain . It is 66 ft . long ( or four poles of 16 ft . * ) , composed of 100 links of strong iron or steel wire , each link being 7.92 in . or 1-100th part of 66 ft . At every 10 links is fastened a brass tablet of different ...
... four - pole chain . It is 66 ft . long ( or four poles of 16 ft . * ) , composed of 100 links of strong iron or steel wire , each link being 7.92 in . or 1-100th part of 66 ft . At every 10 links is fastened a brass tablet of different ...
Σελίδα 24
... four triangles may be tied , although I should recommend a further check , such as D d . It does not always follow that a survey must consist only of triangles , although it is always advisable to adopt this figure when possible , for ...
... four triangles may be tied , although I should recommend a further check , such as D d . It does not always follow that a survey must consist only of triangles , although it is always advisable to adopt this figure when possible , for ...
Σελίδα 26
... four right angles have to be set out and measured to carry the line A в past the building . I recommend the student to practise this problem on perfectly level ground , and I venture to think he will agree with me that , unless the line ...
... four right angles have to be set out and measured to carry the line A в past the building . I recommend the student to practise this problem on perfectly level ground , and I venture to think he will agree with me that , unless the line ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
A B C accuracy accurately adjusted arrow axis back and fore back-sight beam compasses bench-mark boundaries centre chain chain-line check-lines chords clamped clinometer column commencement compass consequently Cosec cosine cross-wires curvature curve datum direction distance divided end of line equal feet fence field-book figures fixed fore sights ground hedge horizontal hypotenuse inches instrument intermediate intersection length level-book line A B line of collimation logarithm magnetic north mark means measured necessary observed offsets parallel plates pencil perpendicular plane plotted plumb-bob position post-and-rail fence quadrant radius reading reference right angles scale screw seen sextant side sine sketch slope square staff station straight line streets survey surveyor take the angle taken tangent tangential angle telescope theodolite tion traverse triangle trigonometry vernier vertical whilst Wimbledon Park wires zero
Δημοφιλή αποσπάσματα
Σελίδα 86 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 89 - IF a straight line fall upon two parallel straight lines, it makes the alternate angles equal to one another; and the exterior angle equal to the interior and opposite upon...
Σελίδα 85 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Σελίδα 61 - When you have proved that the three angles of every triangle are equal to two right angles...
Σελίδα 85 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : 16.
Σελίδα 92 - In any right-angled triangle, the square which is described on the side subtending the right angle is equal to the sum of the squares described on the sides which contain the right angle.
Σελίδα 116 - In any plane triangle, as the sum of the sides about the vertical angle is to their difference, so is the tangent of half the sum of the angles at the base to the tangent of half their difference.
Σελίδα 85 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Σελίδα 127 - As the sum of the two given sides Is to their difference, So is the tangent of half the sum of their opposite angles To the tangent of half the difference of the same angles.
Σελίδα 85 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.