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.
Atomgewichte. Atomgewichte historisch Johann Samuel Traugott Gehler's physikalisches Wrterbuch Johann Samuel Traugott Gehler PDold original upload log de Leyo CommonsHelper page de Atomgewichte Muellerb bytes no Andere Versionen History of chemistry
Page 2023 Free-images.com. All images are Public Domain