Jordmagnetisme: ved magnetiske poler mister kompasset kompasset. Videnskabsmanden James Clark Ross (1800-1862) brugte et kompas under sin videnskabelige ekspedition til Antarktis. Bag ham er Erebus-vulkanen, som han opdagede i 1841. Anonym illustration(Earth magnetism: at magnetic poles, the compasse loses the compasse. Scientist James Clark Ross (1800-1862) using a compasse during his scientific expedition to Antarctica. Behind him is the Erebus volcano that he discovered in 1841. Anonymous illustration)Anonymous Anonymous |
€ 122.69
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Udateret · Engraving
· Billed-ID: 918300
Private Collection / Bridgeman Images |
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