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:
Gravesande. nl Portret van Willem Jacob 's Gravesande hoogleraar Sterrenkunde Wiskunde en Wijsbegeerte te Leiden Portrait by Hendrik van Limborch Icones Leidenses XX leidenuniv nl Digitool Leiden University author other versions PDold Uploaded with Willem 's Gravesande Hendrik van Limborch Icones Leidenses Photographs uploaded