https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978898Edit ImageSaveSaveEditCropCustom TextAn advertisement for a maker of glass instruments: showing thermometers, hour-glasses, and barometers. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1034 x 1200 px | 300 dpiLarge JPEG 2596 x 3012 px | 300 dpiFree DownloadAn advertisement for a maker of glass instruments: showing thermometers, hour-glasses, and barometers. Engraving.More