https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13963435Edit ImageSaveSaveEditCropCustom TextInstrument for operation of trepanning of the skull.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 968 x 1200 px | 300 dpiLarge JPEG 2823 x 3500 px | 300 dpiBest Quality JPEG 3886 x 4818 px | 300 dpiFree DownloadInstrument for operation of trepanning of the skull.More