https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979905Edit ImageSaveSaveEditCropCustom TextEquipment invented by Ramshaw for heating copper plates. Engraving by A.W. Warren after W. Newton.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1035 x 1200 px | 300 dpiLarge JPEG 1590 x 1843 px | 300 dpiFree DownloadEquipment invented by Ramshaw for heating copper plates. Engraving by A.W. Warren after W. Newton.More