## Elements of Surveying: With a Description of the Instruments and the Necessary Tables, Including a Table of Natural Sines |

### From inside the book

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**curve**, a curved line . 5. A surface is that which has length and breadth , without height or thickness . 6. A plane is a surface , in which , if two points be assumed at pleasure , and connected by a straight line , that line will lie ... Page 87

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**curve**edca . a b A B d At A and E , the extremities of the right line AE , erect the two perpen- diculars Aa , Ee , and on each of them measure the breadth of the land . Then divide the base into any convenient number of equal parts and ... Page 89

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**curve**of the ellipse . REMARK IL In determining the content of ground , in the examples which have been given , the linear dimen- sions have been taken in chains and decimals of a chain . If the linear dimensions were taken in terms of ... Page 149

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**curves**are more or less numerous , the form of the surface will be more or less accurately ascertained . If such a system of**curves**be determined , and then pro- jected or let fall on a horizontal plane , it is obvious that the ... Page 151

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**curves**of section on paper . Having drawn on the paper the line AB , lay off the angle BAC = 25o , and the angle ...**curve**are thus found . By the aid of the sector , the graphic operations are greatly facilitated . Let it be borne ...### Other editions - View all

### Common terms and phrases

adjusted angle of elevation axis azimuth back-sights base line called centre clamp-screw coincide column comp compass Cosine D Cosine Sine Cotang course curve degrees determined difference of level direction divided double meridian distance draw east elongation error example feet field notes figure given angle given line given point ground Gunter's chain hence horizontal angle horizontal distance horizontal plane hypothenuse inches instrument intersection LatDegDegDegDeg Distance latitude and departure length levelling screws line AC line of collimation logarithm M.
M. Sine marked measure method multiplied natural sines needle object paper parallel passing perpendicular plane of reference protractor radius right angles right-angled triangle rods scale of equal secant side sights similar triangles Sine Sine spider's lines square chains staff subtract surface survey Tang tangent theodolite true meridian vernier plate vertical limb yards