https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003850Edit ImageSaveSaveEditCropCustom TextChemistry: two versions of Woulfe's apparatus for washing gases. Engraving by W. Lowry, 1803.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 903 x 1200 px | 300 dpiLarge JPEG 2634 x 3500 px | 300 dpiBest Quality JPEG 2646 x 3516 px | 300 dpiFree DownloadChemistry: two versions of Woulfe's apparatus for washing gases. Engraving by W. Lowry, 1803.More