https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997871Edit ImageSaveSaveEditCropCustom TextNatural and experimental philosophy: gentlemen attending to a lecture. Engraving, 1748.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 997 px | 300 dpiLarge JPEG 2915 x 2421 px | 300 dpiFree DownloadNatural and experimental philosophy: gentlemen attending to a lecture. Engraving, 1748.More