Stethoscope
I came to be in 1816, Before then I was never seen. During my birth tuberculosis ran wild, I think it is fair to say I saved the life of a child. I arose from the astute mind of Monsieur Laënnec, I bet you did not detect my French accent. I’m often found around your neck, Nowadays I can get pretty high-tech. Sometimes I float in your white coat pocket, But …