Mar 31, 2012 - Per il rilascio immediato: 100-anno Lampis acceso da Ralph J. Cordiner, presidente della General Electric Company. La lampadina è una replica di Thomas Edison, primo pratico lampada ad incandescenza e brucerà in continuo sulla cima di Edison la scrivania, la quale è in esposizione permanente nella lobby della General Electric Research Laboratory di Schenectady, N.Y

• Collaboratore: Keystone Press / Alamy Foto Stock
• ID dell’immagine: E1403H
• Dimensioni dei file: 72,3 MB (1,1 MB Download compresso)
• Liberatorie: Modello - no | Proprietà - no
• Dimensioni: 4488 x 5632 px | 38 x 47,7 cm | 15 x 18,8 inches | 300dpi
• Data acquisizione: 31 marzo 2012
• Fotografo: KEYSTONE Pictures USA

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Mar. 31, 2012 - For Immediate release: 100-Year Lampis turned on by Ralph J. Cordiner, president of the General Electric Company. The bulb is a replica of Thomas Edison's first practical incandescent lamp and will burn continously atop Edison's desk, which is on permanent display in the lobby of the General Electric Research Laboratory at Schenectady, N.Y. Improved materials and manufacturing techniques developed by General Electric give the replica and anticipated life of more than a century, and a special power source insures that the bulb will burn night and day without interruption ''at least until 2057''. The key to the lock-switch was entrusted to Dr. William D. Coolidge (left), director-emeritus of research at GE whose many scientific achievements include the development of ductile tungsten. This discovery made possible the efficient, long-life incandescent lamps now produced at the rate of over one billion per year. Also participating in the lamp-lightning ceremony was Dr. Guy Suits (right), GE vice president and director of research, who pointed out that, ''this 100-year bulb is fine as a forward-looking symbol, but is is no bargain in actual light-output-per-penny when compared to the efficiency of the ordinary bulbs now most widely sold. (Credit Image: Keystone Pictures USA/ZUMAPRESS)

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