https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13984369Edit ImageSaveSaveEditCropCustom TextFurnace used in processing arsenic. Etching.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 790 x 1200 px | 300 dpiLarge JPEG 2200 x 3342 px | 300 dpiFree DownloadFurnace used in processing arsenic. Etching.More