https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13954714Edit ImageSaveSaveEditCropCustom TextMachinery: plan and elevation of scaffolding erected to raise an obelisk in Rome. Coloured engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 756 x 1200 px | 300 dpiLarge JPEG 2150 x 3411 px | 300 dpiFree DownloadMachinery: plan and elevation of scaffolding erected to raise an obelisk in Rome. Coloured engraving.More