A close-up view of the surgical band saw, a surgical tool in the therapeutic kit of the Inflight Medical Support System… https://www.rawpixel.com/image/441564/free-photo-image-kit-photography-supportFree Image from public domain licenseAnswering call for volunteer nurses aides. The central dressing room at Freedmen's Hospital, Washington, D.C., Mrs. Ethel… https://www.rawpixel.com/image/12307399/image-people-hospital-roomFree Image from public domain license