A NEW and remarkably ingenious example of the objective clinical methods which are constantly being developed in modern medicine and surgery is the phono-electrocardioscope designed by Dr. G. E ...

This was the first attempt at a binaural stethoscope. George Philip Camman is credited with a design of the stethoscope most closely resembling its modern look. In 1855, ...

1. If you have 2 old binaural stethoscopes lying about, pull or cut them apart as shown in Figure 1. Retaining the top part (the part with the spring fixture) of 1 of the stethoscopes, run 1 tube with ...

IT may be of interest at the present time to recall the fact that the word “microphone” was first employed by Sir Chas. Wheatstone upwards of fifty years ago. In a paper entitled ...

Later in 1851, Irish physician Arthur Leared invented the binaural stethoscope. And, now, teaching stethoscopes are also available when two people can simultaneously listen to the sounds of the ...