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 ExamplesE.C. & J. Biddle, 1865 - 428 Seiten |
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Seite 14
... Base ..... ........................... ...................................... Reduction to the Level of the Sea ... Base of Verification ....... 247 248 248 248 ................................. ................... 250 CHAPTER VIL LAYING ...
... Base ..... ........................... ...................................... Reduction to the Level of the Sea ... Base of Verification ....... 247 248 248 248 ................................. ................... 250 CHAPTER VIL LAYING ...
Seite 15
... Base being given ............ .. One Side and the Adjacent Angle being given .. Lemma ......... ........... ................................. The Direction of two Adjacent Sides being given , to lay out a given quantity of land . PAGE ...
... Base being given ............ .. One Side and the Adjacent Angle being given .. Lemma ......... ........... ................................. The Direction of two Adjacent Sides being given , to lay out a given quantity of land . PAGE ...
Seite 17
... are called the numbers ; the ratio in this series is de- nominated the base of the table ; and the terms of the arith- metical series are called the logarithms of the corresponding terms of the geometric series . The numbers , it 2 17.
... are called the numbers ; the ratio in this series is de- nominated the base of the table ; and the terms of the arith- metical series are called the logarithms of the corresponding terms of the geometric series . The numbers , it 2 17.
Seite 18
... base , and the logarithms are the indices of those powers . Further to illustrate the use of logarithms , we give the following table : — Num . Log . Num . Log . Num . Log . 24 2 4 8 123 64 6 2048 11 128 7 4096 12 256 8 8192 13 16 4 512 ...
... base , and the logarithms are the indices of those powers . Further to illustrate the use of logarithms , we give the following table : — Num . Log . Num . Log . Num . Log . 24 2 4 8 123 64 6 2048 11 128 7 4096 12 256 8 8192 13 16 4 512 ...
Seite 19
... base , and n the number , a = n . The deter- mination of the logarithm will then consist in solving the above ... base of the system ; but prac- tical convenience suggests that 10 , the base of our system of notation , should also be the ...
... base , and n the number , a = n . The deter- mination of the logarithm will then consist in solving the above ... base of the system ; but prac- tical convenience suggests that 10 , the base of our system of notation , should also be the ...
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A Treatise on Surveying: In Which the Theory and Practice Are Fully ... Samuel Alsop Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
ABCD acres adjacent angles adjacent sides bearings and distances calculate the area centre chains circle column compass correction Cosine Cotang decimal deflection determine Diff difference of latitude Dist divided division line double departure draw east equal error EXAMPLES field-notes figure given area given line given point Given the bearings horizontal hour angle inch instrument latitude and departure length line running logarithm mean proportional measured meridian method multiplier needle number of degrees offsets opposite parallel parallelogram perpendicular plat plate Polaris Problem protractor quotient radius ratio rectangle right angles right ascension rule scale sight sine square station straight line subtract survey surveyor Take the difference tance Tang tangent telescope theodolite tract of land transit trapezium triangle Trigonometry vernier whence
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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.