A practical treatise on ... land and engineering surveying, Band 341863 |
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Seite 78
... entered into the book should read the same by the scale , if the survey is correct , and if so , every line , great and small , must prove itself . Therefore under no consideration attempt to proceed with the survey until the whole ...
... entered into the book should read the same by the scale , if the survey is correct , and if so , every line , great and small , must prove itself . Therefore under no consideration attempt to proceed with the survey until the whole ...
Seite 83
... entered in the field - book ; and against that number on the chain , in the offset column , a mark denoting that a line is in- tended to go from or through that line , and in the direction shown , as thus O , denotes a line at right ...
... entered in the field - book ; and against that number on the chain , in the offset column , a mark denoting that a line is in- tended to go from or through that line , and in the direction shown , as thus O , denotes a line at right ...
Seite 84
... entering it in the field- book , as , in case of accident in dropping an arrow , it becomes doubtful which it was that had ... entered in the field - book must not be erased ; the pen must be drawn through it and the corrected number put ...
... entering it in the field- book , as , in case of accident in dropping an arrow , it becomes doubtful which it was that had ... entered in the field - book must not be erased ; the pen must be drawn through it and the corrected number put ...
Seite 88
... last chain of the line , be careful the flag or peg is left at the exact number that is entered into the field - book , and that all necessary re- marks , such as names of adjoining proprietors , the 88 LAND AND ENGINEERING SURVEYING .
... last chain of the line , be careful the flag or peg is left at the exact number that is entered into the field - book , and that all necessary re- marks , such as names of adjoining proprietors , the 88 LAND AND ENGINEERING SURVEYING .
Seite 89
... entered , and , before moving the chain to proceed on the next line , count the number of arrows held by each ; if correct , deliver the whole to the chain man . Be particular , also , to notice stiles , gates , footpaths , ponds , & c ...
... entered , and , before moving the chain to proceed on the next line , count the number of arrows held by each ; if correct , deliver the whole to the chain man . Be particular , also , to notice stiles , gates , footpaths , ponds , & c ...
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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.