https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/3379061Edit ImageSaveSaveEditCropCustom TextOctant (1939) by John Thorsen. Original from The National Gallery of Art. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 923 x 1200 px | 300 dpiLarge JPEG 2693 x 3500 px | 300 dpiBest Quality JPEG 3152 x 4096 px | 300 dpiTIFF 3152 x 4096 px | 300 dpi | 73.91 MBFree DownloadOctant (1939) by John Thorsen. Original from The National Gallery of Art. Digitally enhanced by rawpixel.More