https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13992428Edit ImageSaveSaveEditCropCustom TextChemical engineering: detailed section of a blast furnace designed by William Strickland. Engraving by B. Tanner after W. Strickland.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 843 x 1200 px | 300 dpiLarge JPEG 2200 x 3130 px | 300 dpiFree DownloadChemical engineering: detailed section of a blast furnace designed by William Strickland. Engraving by B. Tanner after W. Strickland.More