https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966352Edit ImageSaveSaveEditCropCustom TextA treatise on the science of muscular action / By John Pugh.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 994 x 1200 px | 300 dpiLarge JPEG 1364 x 1646 px | 300 dpiFree DownloadA treatise on the science of muscular action / By John Pugh.More