Medical spoons. A brief look at patents of the 1870s and 1880s.
Haller
J S
JS
Department of History and Medical Humanities, Southern Illinois University, Carbondale 62901.
D049672:History, 19th Century; D006801:Humans; D004366:Nonprescription Drugs / Q000266:history*; D010330:Patents as Topic / Q000266:history*; D012646:Self Administration / Q000266:history* / Q000295:instrumentation; D014481:United States
D004366:Nonprescription Drugs