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.
Conrad Kyeser's Bellifortis fig . from Bellifortis Alexander the Great holding rocket Universitatsbibliothek Gottingen ca Conrad Kyeser public domain age PDold Bellifortis Rockets in art Early rocketry Firearms in art ITS SPEAR HEAD
Page 2023 Free-images.com. All images are Public Domain