Rotating Optic

2-2-185

Alternative term: Revolving Optic

An assembly of one or more optical panels revolving about a vertical axis, and intended to produce a flashing light by Method a. of Note 1: to 2-2-180.

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English

[[Category:2.2 Optical Apparatus]