Civil work info
To make perfect visualization on topic also cover the subject by daily new post.
Civil work info
To make perfect visualization on topic also cover the subject by daily new post.
Tuesday, July 24, 2018
Theory of tachometry
S
(Staff intercept)
I
(Stadia Interval)
F
(Focal Length)
D
(Distance of vertical axis from optical center)
u
(Distance of object from optical center)
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