https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14016857![Nicolas François [] Charles [] Appert. Line engraving by A. Blanchard, 1843.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djeHR4c2NwZnctaW1hZ2UuanBn.jpg)
Nicolas François [] Charles [] Appert. Line engraving by A. Blanchard, 1843.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use