Tycho's mural quadrant picture. Coloured engraving of the Danish astronomer Tycho Brahe (1546-1601,centre) in his observatory on the island of Hveen (now Ven,Sweden). Tycho was the last of the naked eye astronomers,improving almost every astronom- ical observation. In lower frame,observatory staff are seen measuring the position of a star. At far right,a man is viewing a star through a sliding frame mounted on the brass quadrant. He is viewing the star through the small window at upper left. A man is recording the time of the sighting (lower right) while yet another (lower left) takes a written record of the event. In the background,three other floors of the observatory are seen | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 3610 px × 4933 px |
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