/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / HORIZONTAL ANGLE

HORIZONTAL ANGLE

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Identifier
https://posccaesar.org/ontology/15926-4/4.0/HORIZONTAL_ANGLE
Definition A <HORIZONTAL ANGLE> is an <ANGLE> that is the difference between two directions, measured on a plane perpendicular to the vertical axis (plumb line)