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Pencil sketch of a spring-loaded safety valve, adjacent to an entry ...
UNITED KINGDOM - MAY 23: Pencil sketch of a spring-loaded safety valve, adjacent to an entry dated June 27 1828. Originally a blacksmith, Hackworth (1786-1850) was a pioneer in the construction of ...
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Spring Loaded Safety Valves Photos et images de collection - Getty Images
Parcourez 2 photos et images disponibles de spring loaded safety valves, ou lancez une nouvelle recherche pour explorer plus de photos et images. Sectioned model of locomotive with inside cylinders ...