A practical treatise on ... land and engineering surveying, Band 341863 |
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Seite 4
... mark of this subject of logarithms is , that the index or logarithm of 10 is 1 ; that of 100 is 2 ; that of 1000 is 3 , & c . And in decimals , the logarithm of 1—1 ; ( placing the negative sine before the index ) that of .01 is -2 ...
... mark of this subject of logarithms is , that the index or logarithm of 10 is 1 ; that of 100 is 2 ; that of 1000 is 3 , & c . And in decimals , the logarithm of 1—1 ; ( placing the negative sine before the index ) that of .01 is -2 ...
Seite 33
... mark off the given number of parts ; with the radius C D describe arcs intersecting at a ; from a , draw the lines a C and a D ; then with the radius of the given length A B from a , set off A and B ; draw lines from a , to the division ...
... mark off the given number of parts ; with the radius C D describe arcs intersecting at a ; from a , draw the lines a C and a D ; then with the radius of the given length A B from a , set off A and B ; draw lines from a , to the division ...
Seite 35
... mark off b , then will the angle A B C be trisected . Problem 18 . When two lines intersect each other as at E , Fig . 16a , the opposite angles are equal to each other : viz . the angle A E C is equal to the angle D E B ; and the angle ...
... mark off b , then will the angle A B C be trisected . Problem 18 . When two lines intersect each other as at E , Fig . 16a , the opposite angles are equal to each other : viz . the angle A E C is equal to the angle D E B ; and the angle ...
Seite 37
... Mark off the length of the given side A B ; from B , with the radius A B , describe the arc DC ; from A , with the same radius , intersect the arc at D ; then with the same radius from D intersect the arc at C ; draw lines through the ...
... Mark off the length of the given side A B ; from B , with the radius A B , describe the arc DC ; from A , with the same radius , intersect the arc at D ; then with the same radius from D intersect the arc at C ; draw lines through the ...
Seite 38
... mark off the given length of the sides A D and B C ; then draw the line D C equal and parallel to A B ; the angles are the same as the rhombus . Problem 28 . To construct a trapezoid whose base and perpendiculars are given , Fig . 24 ...
... mark off the given length of the sides A D and B C ; then draw the line D C equal and parallel to A B ; the angles are the same as the rhombus . Problem 28 . To construct a trapezoid whose base and perpendiculars are given , Fig . 24 ...
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A Practical Treatise on ... Land and Engineering Surveying Henry S. Merrett Keine Leseprobe verfügbar - 2015 |
A Practical Treatise On ... Land and Engineering Surveying Henry S Merrett Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
A B C acres adjustment base line bubble calculated centre chain lines chord circle circumference circumferentor collimation column compass correct cross sections cube yards curve datum line described diameter Diff difference Ditto divided divisions draw the line equal fence field-book fifth column figure find the area fixed flag fore sights frustrum given ground height horizontal inches and decimals inclosure instrument intersecting length line A B logarithm manner mark measure method minutes multiply needle object Offsets in inches parallel plate parallelogram pencil perpendicular plotted poles Problem protractor quantity quotient Radius in chains right angles roods Rule scale secant sector segment sextant side A B sine slopes spirit level square links staff station straight edge subtract surface survey surveyor TABLE take the angle tangent points telescope theodolite tie line tracing paper transverse distance trapezium triangle vernier vertical whole
Beliebte Passagen
Seite 102 - 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 66 - ... the rail; multiply the length by the breadth and the product by the height; then divide the product by two, and you have the number of bushels of shelled corn in the crib.