alb9017956

An engraving depicting the arc welding using an apparatus

An engraving depicting the arc welding using an apparatus invented by Nicolas de Bernardo and Stanislaw Olszewski of St Petersburg. The equipment was DC and was powered by a battery or dynamo. The operator is holding the carbon in one hand and coloured glass to protect his eyes in the other. Dated 19th century.
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An engraving depicting the arc welding using an apparatus
An engraving depicting the arc welding using an apparatus invented by Nicolas de Bernardo and Stanislaw Olszewski of St Petersburg. The equipment was DC and was powered by a battery or dynamo. The operator is holding the carbon in one hand and coloured glass to protect his eyes in the other. Dated 19th century
Crédito:
Album / World History Archive
Autorizaciones:
Modelo: No - Propiedad: No
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Tamaño imagen:
4016 x 5222 px | 60.0 MB
Tamaño impresión:
34.0 x 44.2 cm | 13.4 x 17.4 in (300 dpi)
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