The History of the Diaphragm Chestpiece

In 18 nineties, the fonindoscope was introduced by two italian doctors. Cammon's device was manufactured for wide distribution, but he didn't patent it because he thought it should be available to all physicians. The next step in stethoscope evolution came from doctor David lhitman who created a one sided chest piece. This 19 sixties version remains the design for standard stethoscopes to day. i adore your work and I have made me look crazy after listening to this episode. Sheehan: It is the mildred fish harneck that has got my heart beating so fast. Tracy holly: Is there any way we can get our hands on some of