Category:Ballon Humboldt
historical balloon for atmospheric research (1893)  Balloon Humboldt, drawn by Hans Groß | |||||
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Media in category "Ballon Humboldt"
The following 3 files are in this category, out of 3 total.
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Ballon Humboldt Absturz.jpg 1,769 × 2,588; 498 KB
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Ballon Humboldt.jpg 1,404 × 2,292; 1.95 MB
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Ballon Humboldt.png 349 × 449; 69 KB
