Published On Feb 17, 2021
Levelling Staff.
Leveling Staff is an instrument used to determine the difference in height between two points.
Levelling Staff is known as the staff rod, Levelling rod, and self-reading staff, as the staff readings may be taken directly by the instrument man from the levelling instrument.
The "E" pattern is designed to make it easy to read a small section of the scale when seen through a telescope.
Music: That Day
Musician: Jeff Kaale
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