alb3949271

Ernst Werner von Siemens 19th century German inventor and industrialist, (1900). Artist: Unknown

Ernst Werner von Siemens 19th century German inventor and industrialist, (1900). Siemens (1816-1892) co-invented an electroplating process (1841) and also developed an electric dynamo. He was responsible for both the first telegraph line and the first electric railway in Germany and, together with his brother Sir William Siemens, developed a widely used process of steelmaking. The standard scientific unit of electrical conductance, the siemens (S), was named after him.

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Titre: Ernst Werner von Siemens 19th century German inventor and industrialist, (1900). Artist: Unknown

Légende: Voir la traduction automatique
Ernst Werner von Siemens 19th century German inventor and industrialist, (1900). Siemens (1816-1892) co-invented an electroplating process (1841) and also developed an electric dynamo. He was responsible for both the first telegraph line and the first electric railway in Germany and, together with his brother Sir William Siemens, developed a widely used process of steelmaking. The standard scientific unit of electrical conductance, the siemens (S), was named after him.

Crédit: Album / The Print Collector / Heritage Images

Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 3660 × 4774 px | 50.0 MB

Taille d'impression: 31.0 × 40.4 cm | 1440.9 × 1879.5 in (300 dpi)

Mots clés: ALLEMAND • ALLEMANDE • BONHOMME • CÉLÈBRE • CELEBRITE • CHEMIN DE FER ELECTRIQUE • ELECTRICITE • HOMME • INGÉNIERIE • INGENIEUR ELECTRIQUE • INGENIEUR • INVENTEUR • MONOCHROME • MOUSTACHE • NOIR ET BLANC • OCCUPATION • PHYSIQUE ELECTRICITE • PORTAIT • PORTRAIT • POTRAIT • PROFESSION