https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14017778Edit ImageSaveSaveEditCropCustom TextAstronomy: a savant in his study, instructing a group of gentlemen. Engraving, 1748.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 969 px | 300 dpiLarge JPEG 3157 x 2548 px | 300 dpiFree DownloadAstronomy: a savant in his study, instructing a group of gentlemen. Engraving, 1748.More