Category:Scientists in 1780
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English: Category:Scientists in 1780
Español: Category:Científicos en 1780
Svenska: Vetenskapsmän under 1780
Deutsch: Wissenschaftler im Jahr 1780
Media in category "Scientists in 1780"
The following 3 files are in this category, out of 3 total.
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Christoph Julius Gravenhorst.jpg 252 × 350; 101 KB
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Gebrueder Gravenhorst.jpg 509 × 761; 368 KB
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Johann Heinrich Gravenhorst.jpg 249 × 353; 100 KB
