A practical treatise on ... land and engineering surveying, Volume 341863 |
À l'intérieur du livre
Résultats 1-5 sur 78
Page vii
... half chords • PAGE 193 ib . To set out a curve by a chord from two tangent points with the theodolite . 194 To set out a curve intercepted by a river with two theodolites Another example with one theodolite . 195 To set out a compound ...
... half chords • PAGE 193 ib . To set out a curve by a chord from two tangent points with the theodolite . 194 To set out a curve intercepted by a river with two theodolites Another example with one theodolite . 195 To set out a compound ...
Page 29
... . A segment is any part of a circle bounded by an arc and its chord . A semicircle is half the circle cut off by the diameter , equal to 180 degrees . A sector is any part of the circle bounded by PRINCIPLES OF GEOMETRY . 29.
... . A segment is any part of a circle bounded by an arc and its chord . A semicircle is half the circle cut off by the diameter , equal to 180 degrees . A sector is any part of the circle bounded by PRINCIPLES OF GEOMETRY . 29.
Page 31
... half , and describe arcs intersecting each other , as at a and b ; draw a line through those points , cutting A B at c , the point of division required . N.B. - A perpendicular on any part of a line may be found by the same rule ...
... half , and describe arcs intersecting each other , as at a and b ; draw a line through those points , cutting A B at c , the point of division required . N.B. - A perpendicular on any part of a line may be found by the same rule ...
Page 39
... half the breadth of the polygon by the numbers in the sixth column of the Table No. 14 , opposite its name , and the product will be the radius of a circle to contain that polygon . If the polygon have an uneven number of sides , the half ...
... half the breadth of the polygon by the numbers in the sixth column of the Table No. 14 , opposite its name , and the product will be the radius of a circle to contain that polygon . If the polygon have an uneven number of sides , the half ...
Page 42
... half the circle ; then fix the lower pins in the same manner on the upper part of the circle ( keeping the laths fixed ) , and describe the other half of the circle in like manner . Problem 41 . A very neat instrument , called the bevel ...
... half the circle ; then fix the lower pins in the same manner on the upper part of the circle ( keeping the laths fixed ) , and describe the other half of the circle in like manner . Problem 41 . A very neat instrument , called the bevel ...
Autres éditions - Tout afficher
A Practical Treatise on ... Land and Engineering Surveying Henry S. Merrett Aucun aperçu disponible - 2015 |
A Practical Treatise On ... Land and Engineering Surveying Henry S Merrett Aucun aperçu disponible - 2018 |
Expressions et termes fréquents
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
Fréquemment cités
Page 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.
Page 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.