https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13999082Edit ImageSaveSaveEditCropCustom TextA philosopher giving an astronomical lecture on an orrery. Mezzotint by W. Pether after J. Wright, ca. 1780.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 914 px | 300 dpiLarge JPEG 3172 x 2416 px | 300 dpiFree DownloadA philosopher giving an astronomical lecture on an orrery. Mezzotint by W. Pether after J. Wright, ca. 1780.More