A practical treatise on ... land and engineering surveying, Band 341863 |
Im Buch
Ergebnisse 1-5 von 32
Seite 75
... survey . Provide a number of straight deal rods about ten or twelve feet long , spiked at the bottom , and white and red flags at the top , by which they are easily distinguished at a Difference between apparent and true level.
... survey . Provide a number of straight deal rods about ten or twelve feet long , spiked at the bottom , and white and red flags at the top , by which they are easily distinguished at a Difference between apparent and true level.
Seite 76
... flags ; when several of these flags are truly fixed , the assistants may then continue poling out the line without signals , and the process of chaining commenced , the surveyor at the same time observing the flags are correct with the ...
... flags ; when several of these flags are truly fixed , the assistants may then continue poling out the line without signals , and the process of chaining commenced , the surveyor at the same time observing the flags are correct with the ...
Seite 77
... flag - poles , being few in number , should be fixed as far apart as may be clearly seen , and the intervening spaces filled up with straight sticks about a yard high , having a slit at top in which is fixed a piece of white paper ...
... flag - poles , being few in number , should be fixed as far apart as may be clearly seen , and the intervening spaces filled up with straight sticks about a yard high , having a slit at top in which is fixed a piece of white paper ...
Seite 77
... flags ; when several of these flags are truly fixed , the assistants may then continue . poling out the line without signals , and the process of chaining commenced , the surveyor at the same time observing the flags are correct with ...
... flags ; when several of these flags are truly fixed , the assistants may then continue . poling out the line without signals , and the process of chaining commenced , the surveyor at the same time observing the flags are correct with ...
Seite 77
... flag - poles , being few in number , should be fixed as far apart as may be clearly seen , and the intervening spaces filled up with straight sticks about a yard high , having a slit at top in which is fixed a piece of white paper ...
... flag - poles , being few in number , should be fixed as far apart as may be clearly seen , and the intervening spaces filled up with straight sticks about a yard high , having a slit at top in which is fixed a piece of white paper ...
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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.