https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979791Edit ImageSaveSaveEditCropCustom TextMarcellin Pierre Eugène Berthelot in his laboratory. Charcoal drawing.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 977 x 1200 px | 300 dpiLarge JPEG 2392 x 2938 px | 300 dpiFree DownloadMarcellin Pierre Eugène Berthelot in his laboratory. Charcoal drawing.More