Practical Surveying: A Text-book for Students Preparing for Examinations Or for Survey-work in the ColoniesC. Lockwood and Son, 1889 - 272 sider |
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Side vi
... Right- angled Triangle - Obtuse - angled Triangle - Acute - angled Triangle -Theorems - Theory of Parallel Lines - Of the Circle - Trigono- metrical Canon - Complement and Supplement of Angles - Trigono- metrical Ratios - Sine - Tangent ...
... Right- angled Triangle - Obtuse - angled Triangle - Acute - angled Triangle -Theorems - Theory of Parallel Lines - Of the Circle - Trigono- metrical Canon - Complement and Supplement of Angles - Trigono- metrical Ratios - Sine - Tangent ...
Side vii
... Right - angled Triangles - Trigonometrical Ratios of Two Angles - Sine and Difference of Sines and Cosines - Sine and Cosine of Twice an Angle in Terms of Sine and Cosine of the Angle - Sine and Cosines of Twice an Angle in Terms of ...
... Right - angled Triangles - Trigonometrical Ratios of Two Angles - Sine and Difference of Sines and Cosines - Sine and Cosine of Twice an Angle in Terms of Sine and Cosine of the Angle - Sine and Cosines of Twice an Angle in Terms of ...
Side xv
... RIGHT - ANGLED TRI- ANGLE 151 , 152 . RIGHT ANGLES WITH CHAIN RIGHT - ANGLED TRIANGLE 40 26 · Sketch ROAD . Sketch 38835 93 86 134 XV S. SAUCERS SCALENE TRIANGLE 307 , 308 , 309 242 Sketch 86 SET - SQUARE SETTING OUT CURVES WITH 296 ...
... RIGHT - ANGLED TRI- ANGLE 151 , 152 . RIGHT ANGLES WITH CHAIN RIGHT - ANGLED TRIANGLE 40 26 · Sketch ROAD . Sketch 38835 93 86 134 XV S. SAUCERS SCALENE TRIANGLE 307 , 308 , 309 242 Sketch 86 SET - SQUARE SETTING OUT CURVES WITH 296 ...
Side 14
... angles of the buildings . These lateral measurements are called offsets , and strictly speaking are always taken at right angles to the chain - line . As it is possible upon the ground , no matter how uneven , to lay out a straight line ...
... angles of the buildings . These lateral measurements are called offsets , and strictly speaking are always taken at right angles to the chain - line . As it is possible upon the ground , no matter how uneven , to lay out a straight line ...
Side 15
... right angle with A B. Cross Staff Chain Line Hedge RE UNIVE IBRARY Tet C - LIFLY Using the Optical Square . - In the ... angles with A B. Fig . 19 illustrates the modus operandi of taking an offset at the intersection of two hedges D ...
... right angle with A B. Cross Staff Chain Line Hedge RE UNIVE IBRARY Tet C - LIFLY Using the Optical Square . - In the ... angles with A B. Fig . 19 illustrates the modus operandi of taking an offset at the intersection of two hedges D ...
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Practical Surveying: A Text-book for Students Preparing for Examinations Or ... George William Usill Uten tilgangsbegrensning - 1889 |
Practical Surveying: A Text-book for Students Preparing for Examinations Or ... George William Usill Uten tilgangsbegrensning - 1920 |
Vanlige uttrykk og setninger
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
Populære avsnitt
Side 86 - If two triangles have two sides of the one equal to two sides of the...
Side 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...
Side 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.
Side 61 - When you have proved that the three angles of every triangle are equal to two right angles...
Side 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.
Side 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.
Side 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.
Side 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.
Side 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.
Side 85 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.