https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13960799Edit ImageSaveSaveEditCropCustom TextInventions: various types of pistons and plasters. Engraving by T. Jeffrys.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 703 x 1200 px | 300 dpiLarge JPEG 1191 x 2034 px | 300 dpiFree DownloadInventions: various types of pistons and plasters. Engraving by T. Jeffrys.More