https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021713Edit ImageSaveSaveEditCropCustom TextElectricpatent sock : an absolute and positive remedy for chilblains & cold feet : for gout, sciatica & rheumatism : never wear out / the Pall Mall Electric Association.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 946 x 1200 px | 300 dpiLarge JPEG 2758 x 3500 px | 300 dpiBest Quality JPEG 3578 x 4540 px | 300 dpiFree DownloadElectricpatent sock : an absolute and positive remedy for chilblains & cold feet : for gout, sciatica & rheumatism : never wear out / the Pall Mall Electric Association.More