https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966522Edit ImageSaveSaveEditCropCustom TextMechanics: men using a dynamometer to measure forces. Coloured engraving, 1803, by J. Pass.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 939 x 1200 px | 300 dpiLarge JPEG 2362 x 3020 px | 300 dpiFree DownloadMechanics: men using a dynamometer to measure forces. Coloured engraving, 1803, by J. Pass.More