https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962870Edit ImageSaveSaveEditCropCustom TextSmokers should use Calvert's Dento-Phenolene : a pleasant and fragrant liquid dentifrice and mouth wash prepared with Calvert's purest phenol (carbolic) / F.C. Calvert & Co.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 797 px | 300 dpiLarge JPEG 3500 x 2324 px | 300 dpiBest Quality JPEG 3990 x 2649 px | 300 dpiFree DownloadSmokers should use Calvert's Dento-Phenolene : a pleasant and fragrant liquid dentifrice and mouth wash prepared with Calvert's purest phenol (carbolic) / F.C. Calvert & Co.More