Electronic flash units; generators for electronic flash units; measuring apparatus for photography, measuring apparatus for spotlights, measuring apparatus for projectors, measuring apparatus for flashbulbs; controlling apparatus for photography, controlling apparatus for spotlights, controlling apparatus for projectors, controlling apparatus for flashbulbs; signaling apparatus for photography, signaling apparatus for spotlights, signaling apparatus for projectors, signaling apparatus for flashbulbs
Electrical and Scientific ApparatusLighting apparatus and installations, namely: spotlights; projectors and flashbulbs
Environmental Control Apparatus