alb3824898

elisha graves otis

A portrait of Elisha Graves Otis (1811-1861), who invented a safety device that prevented elevators from falling if the hoisting cable broke. His improved double oscillating steam engine was his final contribution to the industry: a power plant exclusively for elevators.
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Titre: elisha graves otis
Légende: Voir la traduction automatique
A portrait of Elisha Graves Otis (1811-1861), who invented a safety device that prevented elevators from falling if the hoisting cable broke. His improved double oscillating steam engine was his final contribution to the industry: a power plant exclusively for elevators.
Personnalités: GRAVES (active 1940s)
Crédit: Album / Science Source / New York Public Library
Autorisations: ? Autorisation de modèle: Non - ? Autorisation de propriété: Non
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Taille de l'image: 3162 × 3681 px | 33.3 MB
Taille d'impression: 26.8 × 31.2 cm | 1244.9 × 1449.2 in (300 dpi)