https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996496Edit ImageSaveSaveEditCropCustom TextMachinery: plan and elevation of scaffolding erected to raise an obelisk in Rome. Engraving by A. Specus, after D. Fontana.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 805 x 1200 px | 300 dpiLarge JPEG 2200 x 3280 px | 300 dpiFree DownloadMachinery: plan and elevation of scaffolding erected to raise an obelisk in Rome. Engraving by A. Specus, after D. Fontana.More