https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14002368Edit ImageSaveSaveEditCropCustom TextPavlov's office in the Physiology department, Imperial Institute of Experimental Medicine, St Petersburg. Photograph, 1904.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 895 px | 300 dpiLarge JPEG 1622 x 1210 px | 300 dpiFree DownloadPavlov's office in the Physiology department, Imperial Institute of Experimental Medicine, St Petersburg. Photograph, 1904.More