.~.~ Indicator image projected on sensitized record (e.g., photographic, etc.)
DEFINITION
Classification: 33/314
(under subclass 304) Device provided with a record member (film) which reacts to light to produce an optical counterpart of the direction or inclination indicator, or an optical impression of the orientation of the indicator.
SEE OR SEARCH THIS CLASS, SUBCLASS:
309, for a pendulum directed radiant energy marker.