Original WWI German Red Cross Medical Invalid Feeder From A WWI U.S. Nurse CertifiedSOLD Original WWI German Red Cross Medical Invalid Feeder From A WWI U.S. Nurse Certified. Antique WWI Era Red Cross Porcelain Invalid Feeder Cup, Germany c 1910s WWI era Red Cross not marked Germany but is consistent with other German versions. It is 5 inches long overall and 2 inches tall. A terrific antique feeder in excellent condition no chips or cracks. Used to feed wounded soldiers soup, broth, or milk. This came from a WWI U.S. Nurse. 100% guaranteed to be authentic Gettysburg Museum certified, museum COA provided. Also note when browsing our web site there are several pages of items, at the bottom of the list look for other page numbers.