Signaling projector fitted with a closing disc carrying optical correction means and diaphragms mounted in the internal path of the rays
US3377479A
Signal searchlight with end plate carrying optical directional means and with diaphragms arranged in the inner path of rays to eliminate phantom light caused by inner reflection
DE1269926B
Reflector signal headlights
GB1037282A
Improvements in and relating to colour light signals
DE1191767B
Headlights, especially for airport ground lights that can be rolled over
DE1173854B
Light for especially elongated lighting fields, e.g. B. Traffic routes or places
FR1304952A
Optical system for projectors, in particular beacons on the ground of an airport
GB1003886A
Optical systems
DE1127836B
Light distribution disc for headlights, especially for signal lights
DE1125320B
Signal light
DE1140164B
Light for especially elongated lighting fields, e.g. B. Traffic routes
DE1067749B
Fresnel lens for signaling purposes
DE1017105B
Signal lamp optics
DE1127835B
Light distribution disc for headlights, especially signal lights
DE1162308B
Light distribution disc for headlights, especially for signal lights
DE1111844B
Headlight lens system with an aperture of 180 180
DE721161C
Glass body set, consisting of two glass bodies placed one inside the other
FR851198A
Distance indicator
GB484587A
Improvements in or relating to the manufacture of optical glass