https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12678237Edit ImageSaveSaveEditCropCustom TextAn attempt to design a purification furnace in 1849Original public domain image from Web umeniaMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 883 px | 300 dpiLarge JPEG 3500 x 2576 px | 300 dpiBest Quality JPEG 5000 x 3680 px | 300 dpiFree DownloadAn attempt to design a purification furnace in 1849More