https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997542Edit ImageSaveSaveEditCropCustom TextPlans, elevation and section of a kiln used in the making of clay pipes. Etching.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 797 x 1200 px | 300 dpiLarge JPEG 1300 x 1957 px | 300 dpiFree DownloadPlans, elevation and section of a kiln used in the making of clay pipes. Etching.More