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GENERAL NEWS
International Lighting Vocabulary.
—A new international vocabulary of lighting terms, the culmination of 20 years of study by a working party of the Commission Internationale de l'Eclairage (C. I. E.), is now ready for distribution through the organization's United States National Committee.Printed in three languages—French, English, and German—the vocabulary was created for the express purpose of facilitating communication between scientists the world over who are working in the field of illumination.The publication, entitled "International Lighting Vocabulary of the International Commission on Illumination, Volume 1" (second edition), contains 530 terms, with definitions, as well as numerous symbols and formulae.Its principal sections cover radiation, photometry, colorimetry, eye and vision. production of light, lamps, auxiliary apparatus, lighting techniques, lighting fittings, and light signals.Volume 2 of the publication will be published in 1959. It will contain the same terms, without definitions, and will be printed in ten languages.