Position light signal definitions

position light signal

a light signal, where the indications are only given by the position of two or more lights
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=821-02-36

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Position light signal

A signal in which the position of the lights determine the meaning of the aspect shown.
Found on http://www.translationdirectory.com/glossaries/glossary256.php

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