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Astronomical quadrant. Willem
Janszoon Blaeu. Amsterdam ca. 1610. 6500. Manufactured for Professor Willem Snel van Royen, betten known as Snellius (1580-1626). Was used to measure the latitude of Alkmaar and Bergen op Zoom. Using the known distance between the towns he was able to calculate the
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Astronomical quadrant. Willem
Janszoon Blaeu. Amsterdam ca. 1610. 6500. Manufactured for Professor Willem Snel van Royen, better known as Snellius (1580-1626). Was used to measure the latitude of Alkmaar and Bergen op Zoom. Using the known distance between the towns he was able to calculate the
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If you want to use this image under a different license, for example if you can't give attribution or if you can't share a derivative work under the same licence, then I may ask for a small fee to do so, which will help me cover the cost of my photography equipment.
1135:{{subst:User:Mike Peel/Template | desc = {{en|Astronomical quadrant. Willem Janszoon Blaeu. Amsterdam ca. 1610. 6500. Manufactured for Professor Willem Snel van Royen, betten known as Snellius (1580-1626). Was used to measure the latitude of Alkmaar an...
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Attribution-Share Alike licence, which gives you permission to freely use the image for any purpose, so long as you attribute it as requested here, and you must make any modified versions of it available under an identical license.
347:– You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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diameter of the earth. After
Snellius's death the instrument was purchased by the University for its observatory. The telescope was added in 1669. In the Museum Boerhaave Leiden.
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If you use this image outside of the
Wikimedia projects, then I'd appreciate it if you could let me know. This isn't compulsory, but it would be nice of you.
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diameter of the earth. After
Snellius's death the instrument was purchased by the University for its observatory. The telescope was added in 1669.
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This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Click on a date/time to view the file as it appeared at that time.
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CC-BY-SA-4.0. Please attribute as per the author line above.
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Commons Attribution-ShareAlike 4.0 International
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Add a one-line explanation of what this file represents
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Commons is a freely licensed media file repository.
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