BACKSIGHT


Meaning of BACKSIGHT in English

( n. )

The reading of the leveling staff in its unchanged position when the leveling instrument has been taken to a new position; a sight directed backwards to a station previously occupied. Cf. Foresight, n., 3.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.