https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14004958Edit ImageSaveSaveEditCropCustom TextArchitecture: three views of vaults, (top), and geometrical projections (below). Engraving, c.1861.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 803 x 1200 px | 300 dpiLarge JPEG 2217 x 3314 px | 300 dpiFree DownloadArchitecture: three views of vaults, (top), and geometrical projections (below). Engraving, c.1861.More