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:
Science history icon. Science history icon svg en Icon for the Sciences History Portal from drawing of Leonardo da Vinci fr Icne pour le Portail Histoire des sciences partir d'un dessin de Lonard de Vinci it Icona per il portale storia delle scienze Leonardo da Vinci helicopter Leonardo da Vinci helicopter Leonardo da Vinci derivative