https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997356Edit ImageSaveSaveEditCropCustom TextDe refractione optices parte libri novem / [Giambattista della Porta].Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 838 x 1200 px | 300 dpiLarge JPEG 1182 x 1692 px | 300 dpiFree DownloadDe refractione optices parte libri novem / [Giambattista della Porta].More