- 3M Littmann Stethoscopes
W.A. Baum Stethoscopes are known in the medical industry for their brand recognition and quality. W.A. Baum has earned and maintained an outstanding reputation since their introduction in 1916. W.A. Baum offers three stethoscope models; a Sprague Rappaport Type, Stainless Steel Dual Head, and a Stainless Steel Cardiology Stethoscope.