https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010972Edit ImageSaveSaveEditCropCustom TextChemistry: plan and section of a blast furnace. Engraving by Mutlow, 1810, after J. Farey.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 718 x 1200 px | 300 dpiLarge JPEG 2032 x 3396 px | 300 dpiFree DownloadChemistry: plan and section of a blast furnace. Engraving by Mutlow, 1810, after J. Farey.More