National Geographic : 1919 Oct
Not the name ofa thing,but the mark of a service" ALSO on this new lamp-the WHITE MAZDA-you find the mark of MAZDA Service. The high efficiency of this lamp, and its softened and gratefully mellowed brilliance are fresh indications of the fruitfulness of MAZDA Service in its constant search for better light. M AZDT A isthe trademark of a world-wide service to certain lamp manufacturers. Its purpose is to collect and select scientific and practical information concerning prog ress and developments in the art of incandescent lamp manufactur ing and to distribute this information to the companies entitled to receive this service. MAZDA Service is centered in the Research Laboratories of the General Electric Company at Schenectady, N. Y. The mark MAZDA" can appear only on lamps which meet the standards of MAZDA Seli vice. It is thus an assurance of quality. This trademark is, tI., property of the General Electric Company. "Mention The Geographic-It identifies you"