https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997124Edit ImageSaveSaveEditCropCustom TextEngineering: a cylindrical tank, section, front and side elevations. Coloured drawing, 1845.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 438 px | 300 dpiLarge JPEG 3272 x 1193 px | 300 dpiFree DownloadEngineering: a cylindrical tank, section, front and side elevations. Coloured drawing, 1845.More