Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 3 (Q.No. 30)
30.
The construction of optical square is based, on the principle of optical
Discussion:
22 comments Page 3 of 3.
Amrul said:
6 years ago
Right, Agree @Nitin Mishra.
Vikram kadam said:
8 years ago
Why only reflection?
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