https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979368Edit ImageSaveSaveEditCropCustom TextSections of a furnace used in the processing of copper. Etching by Bénard after L.J. Goussier.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 769 x 1200 px | 300 dpiLarge JPEG 1301 x 2029 px | 300 dpiFree DownloadSections of a furnace used in the processing of copper. Etching by Bénard after L.J. Goussier.More