https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13999075Edit ImageSaveSaveEditCropCustom TextRobert Koch and Richard Pfeiffer working in a laboratory, investigating the plague in Bombay. Photograph attributed to Captain C. Moss, 1897.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 951 x 1200 px | 300 dpiLarge JPEG 2773 x 3500 px | 300 dpiBest Quality JPEG 2907 x 3669 px | 300 dpiFree DownloadRobert Koch and Richard Pfeiffer working in a laboratory, investigating the plague in Bombay. Photograph attributed to Captain C. Moss, 1897.More