Rows of shelves of beakers and bottles of chemicals in the chemistry lab at Lehigh University. Bethlehem, Pennsylvania: c. 1890. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 5100 px × 3646 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |