To level (surveying): Difference between revisions
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To determine differences in altitude using an optical instrument and a calibrated levelling staff. | To determine differences in altitude using an optical instrument and a calibrated levelling staff. | ||
Latest revision as of 10:09, 17 September 2026
To determine differences in altitude using an optical instrument and a calibrated levelling staff.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)