Topic: Line of Collimation
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What is Line of Collimation in Levelling?
it is line set out by the optical axis of the instrument ( level). so it is just an imaginary line that describes the ray of light that allowes us to read different values from the leveling staff. this term arose from the fact that in diffe... Read More »
Source: http://wiki.answers.com/Q/What_is_Line_of_Collimation_in_Levellin...
What is line of collimation?
( ′līn əv ′käl·ə′mā·shən ) (optics) In a surveying telescope, the imaginary line through the optical center of the object glass and the cross-hair intersection in the diaphragm. Read More »
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