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William David Coolidge was an American physicist and engineer

William David Coolidge (October 23, 1873 - February 3, 1975) was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the development of "ductile tungsten", which is important for the incandescent light bulb.

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Titre: William David Coolidge was an American physicist and engineer

Légende: Voir la traduction automatique
William David Coolidge (October 23, 1873 - February 3, 1975) was an American physicist and engineer, who made major contributions to X-ray machines. He was the director of the General Electric Research Laboratory and a vice-president of the corporation. He was also famous for the development of "ductile tungsten", which is important for the incandescent light bulb.

Crédit: Album / Universal History Archive/Universal Images Group

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Taille de l'image: 4781 × 4387 px | 60.0 MB

Taille d'impression: 40.5 × 37.1 cm | 1882.3 × 1727.2 in (300 dpi)

Mots clés: AMÉRCAIN • AMERICAIN (ETATS-UNIS) • AMERICAIN (USA) • AMÉRICAIN • AMÉRICAINE • AMÉRICIAN • AMÉRICIANE • ÉTAS UNIS • ÉTAS-UNIS • ETATS UNIS • ETATS-UNIS • INGÉNIERIE • INGENIEUR • RECHERCHE • U. S. A. • VICE-PRESIDENT • XXE SIECLE • ŽTATS-UNIS