Surveying a Plane Table Manual
Surveying a Plane Table Manual
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In our eReader you can find the full English version of the book. Read Surveying a Plane Table Manual Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Surveying a Plane Table Manual
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To quickly assess the difficulty of the text, read a short excerpt:
) Select a fourth point, D, so that the intersections from C and D upon A and B make sufficiently large angles for good determinations. Put the table approximately in position at D, by estimation or by compass, and draw the lines Aa ~Bd, intersecting in d; through d draw a line directed to C. Then set up at C, and assuming the point c on the line dC, at an estimated distance from d, and putting the table in a position parallel to that which is occupied at D, by means of the line cd, draw the li...nes from c to A 1 and from c to B. These will intersect the lines dA dE at points a' and b', which form with c and d a quadrilateral similar to the true one, but erroneous in size and position.
The angles which the lines ab and a'b' make with each other is the error in posi- tion. By constructing now through c a line cd' making the same angle with cd as that which ab makes with a'b', and directing this line cd' to D, the table will be brought into position, and the true point c can be found by the intersections of a A and &B.
What to read after Surveying a Plane Table Manual?
You can find similar books in the "Read Also" column, or choose other free books by D B Dallas Bache Wainwright to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
) Select a fourth point, D, so that the intersections from C and D upon A and B make sufficiently large angles for good determinations. Put the table approximately in position at D, by estimation or by compass, and draw the lines Aa ~Bd, intersecting in d; through d draw a line directed to C. Then set up at C, and assuming the point c on the line dC, at an estimated distance from d, and putting the table in a position parallel to that which is occupied at D, by means of the line cd, draw the li...nes from c to A 1 and from c to B. These will intersect the lines dA dE at points a' and b', which form with c and d a quadrilateral similar to the true one, but erroneous in size and position.
The angles which the lines ab and a'b' make with each other is the error in posi- tion. By constructing now through c a line cd' making the same angle with cd as that which ab makes with a'b', and directing this line cd' to D, the table will be brought into position, and the true point c can be found by the intersections of a A and &B.
What to read after Surveying a Plane Table Manual?
You can find similar books in the "Read Also" column, or choose other free books by D B Dallas Bache Wainwright to read onlineMoreLess
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