https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14012762Edit ImageSaveSaveEditCropCustom TextA woman representing truth sits in a chemical laboratory and points at the source of a ray of light, representing philosophy. Engraving by Crabb, 1817, after G.M. Brighty.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 707 x 1200 px | 300 dpiLarge JPEG 2043 x 3467 px | 300 dpiFree DownloadA woman representing truth sits in a chemical laboratory and points at the source of a ray of light, representing philosophy. Engraving by Crabb, 1817, after G.M. Brighty.More