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.
Keywords from Image Description:
Guldberg und Waage . Cato Maximilian Guldberg links und Peter Waage Cato Maximilian Guldberg left and Peter Waage Zeitschrift fr Physikalische Chemie Band von prior or equal Photogravure by Riffart Berlin Scanned image processed and uploaded by Kuebi Armin Kbelbeck PDold DEFAULTSORT Guldberg Waage Chemists from Norway Zeitschrift