https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13965796Edit ImageSaveSaveEditCropCustom TextBuilding: plan, elevation, and diagrams of an arch. Etching, 1850, after S. H. Brooks.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 898 x 1200 px | 300 dpiLarge JPEG 2394 x 3198 px | 300 dpiFree DownloadBuilding: plan, elevation, and diagrams of an arch. Etching, 1850, after S. H. Brooks.More