Color enhanced portrait of Julius Robert von Mayer (1814-1878),German physician and physicist. He contributed to an understanding of thermodynamics and explained many physical phenomena by applying the principal of the conservation of energy | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Photo Researchers |
Bildgröße: | 2287 px × 3636 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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