This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Nils Gabriel Sefstrm . en Nils Gabriel Sefstrm discoverer of the chemical element Vanadium pt Nils Gabriel Sefstrm descobridor do elemento qumico Vandio htm Nils Gabriel Sefstrm PDold Uncategorized September
Page 2023 Free-images.com. All images are Public Domain