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Very Good

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The best book ive ever seen !!!

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Although this online book has helped me alot while preparing my lectures but I have found an error in the example 1.4 (Page # 13 - 14) in the 1st Chapter i.e Triangulation & Trilateration.
In
Calculations for figure 1.15(d) the value of n' mentioned i.e (n'=19)is not correct, because ,
n' = number of lines observed in both directions including the known line or side.
In figure 1.15(d), among total 19 lines (sides) there is one line or side which in not observed in both direction so the value of n' = 18, and consequently the value of the "C" becomes "11" and value of "D" becomes "37"
and the final answer " (D-C)/D = 0.703 "
By: Engr. Sheikh Masood Zaman Mandokhail from Quetta , Pakistan
 

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Its a good book which can be use alone to build up concepts.

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