362 / | HD | ILLUMINATION |
257 | DF | LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER {18} |
269 | DF | .~ Tiltable or rotatable as a unit {3} |
271 | .~.~ With actuator {3} | |
272 | DF | .~.~.~> Electric or pneumatic |
273 | DF | .~.~.~> Screw actuator |
274 | DF | .~.~.~> Resiliently biased |