https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988463Edit ImageSaveSaveEditCropCustom TextMechanics: forces and dynamics, pulleys. Engraving by A. Bell.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 720 x 1200 px | 300 dpiLarge JPEG 2097 x 3496 px | 300 dpiFree DownloadMechanics: forces and dynamics, pulleys. Engraving by A. Bell.More