A practical treatise on ... land and engineering surveying, Volume 341863 |
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Page 27
... pole out a straight line is of the utmost importance ; however simple it may appear , it is difficult . If the base lines of a survey are not most accurately poled out straight , no matter how accurate they may be chained , it will ...
... pole out a straight line is of the utmost importance ; however simple it may appear , it is difficult . If the base lines of a survey are not most accurately poled out straight , no matter how accurate they may be chained , it will ...
Page 54
... poles . Example . Reduce 5.90600 to acres , roods and perches . .90600 4 3.62400 40 24.96000 square links Note . - The decimal remaining when it exceeds 5 may be considered equal to 1 pole ; therefore the quantity is = 5 acres , 3 roods ...
... poles . Example . Reduce 5.90600 to acres , roods and perches . .90600 4 3.62400 40 24.96000 square links Note . - The decimal remaining when it exceeds 5 may be considered equal to 1 pole ; therefore the quantity is = 5 acres , 3 roods ...
Page 55
... poles by 6 ; reduce the roods ( if any ) into the 1000ths part of an acre , to which add of the perches given ; add ... poles 25 poles 6 .756 756 5.906 the decimals required Example 2. Reduce 4A . OR . 27P . to decimals . A. R. P. 4 0 27 ...
... poles by 6 ; reduce the roods ( if any ) into the 1000ths part of an acre , to which add of the perches given ; add ... poles 25 poles 6 .756 756 5.906 the decimals required Example 2. Reduce 4A . OR . 27P . to decimals . A. R. P. 4 0 27 ...
Page 75
... pole or range out these lines very carefully in straight lines , which in many instances is a work of difficulty and labour , and of the greatest importance to the whole survey . Provide a number of straight deal rods about ten or ...
... pole or range out these lines very carefully in straight lines , which in many instances is a work of difficulty and labour , and of the greatest importance to the whole survey . Provide a number of straight deal rods about ten or ...
Page 76
... poles that forms the lines . During the operation of chaining the surveyor will have an opportunity of observing the most favourable points to con- struct other lines intersecting those in operation . It is impossible to make a correct ...
... poles that forms the lines . During the operation of chaining the surveyor will have an opportunity of observing the most favourable points to con- struct other lines intersecting those in operation . It is impossible to make a correct ...
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.