Formats: Still image / Subjects: Nurses and Respiratory Therapy -- instrumentation / Titles: The oxyoline apparatus: manufactured by the Neel-Armstrong Co., Akron, Ohio, U.S.A / Languages: English / Genre: Photographs / Copyright: Public domain / Dates by Range: 1900-1949 - Digital Collections - National Library of Medicine Search Results

Start Over Formats Still image ✖ Subjects Nurses ✖ Subjects Respiratory Therapy -- instrumentation ✖ Titles The oxyoline apparatus: manufactured by the Neel-Armstrong Co., Akron, Ohio, U.S.A ✖ Languages English ✖ Genre Photographs ✖ Copyright Public domain ✖ Dates by Range 1900-1949 ✖