地面磁力。克里斯托弗-哥伦布(1451-1506)在1492年前往美洲的旅途中发现了罗盘的磁针的变化。1925年的匿名插图。私人收藏。(Terrestrial magnetism: Christopher Columbus (1451-1506) discovers the variations of the magnetic needle of a compasssole during his journey to America in 1492. Anonymous illustration from 1925. Private collection.)匿名匿名 |
€ 98.15
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日期不详 · Engraving
· 图片ID: 918299
Private Collection / Bridgeman Images |
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