# A Treatise on Surveying: In which the Theory and Practice are Fully Explained. Preceded by a Short Treatise on Logarithms: and Also by a Compendious System of Plane Trigonometry. The Whole Illustrated by Numerous Examples

E.C. & J. Biddle, 1865 - 428 Seiten
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### Inhalt

 CHAPTER IV 118 To verify the Cross 128 Keeping Field Notes 135 Surveying Fields of Particular Form 141 Tie Lines 158
 By a Line running through a given Point 256 Division of Land 284 CHAPTER VIII 303 To find the Time of 322 Diurnal Changes 329

### Beliebte Passagen

Seite 38 - 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.
Seite 70 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Seite 27 - Root of a Number, Divide the logarithm of the number by the index of the required root.
Seite 33 - When one straight line meets another, so as to make two adjacent angles equal, each of these angles is called a right angle; and the first line is said to be perpendicular to the second.
Seite 195 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Seite 73 - ... will be — As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Seite 37 - If two triangles have two sides and the included angle of one respectively equal to the sides and the included angle of the other, the triangles are congruent.
Seite 126 - If two triangles have two angles, and the included side of the one equal to two angles and the included side of the other, they are equal in all their parts.
Seite 39 - The angle at the centre of a circle is double the angle at the circumference on the same arc.
Seite 39 - The square of the hypothenuse of a right angled triangle is equal to the sum of the squares of both the other sides.