Details from a 16th century allegorical engraving about the voyages of discovery. The captain at sea,has a quadrant in his hand,but isn't using it. At right,he is making observations with an armillary sphere. At the time,only repeated measurements made on land were reliable | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / New York Public Library |
Bildgröße: | 2730 px × 3858 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: |
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