The idea belonged to Nicholas Comins, who devised a stethoscope that he described as "a bent tube" that had several hinges, allowing the physician to not have to assume uncomfortable positions during the examination. The first commertcially available binaural stethoscope was made by Dr. However, it proved cumbersome, very fragile and quickly faded. George Cammann of New York produced the first recognized usable binaural stethoscope.
He offered the suggestion of making his instrument binaural, but there are only sketches of his instrument. He was working as a physician at the Northern Dispensary in New York City and had seen Marsh's model.
Note that the paisley patterned ascot and stickpin in the painting are the same as in the photopgraph.
This is usually enforced when artists go to any event outside Japan, and anime/manga licensors honor their requests, so it's very difficult (usually impossible) to see any photos or pictures of them and the only way to get a picture is to do it illegally, violating their requests.Flint's intended address to the British Medical Association in 1886, delivered by Dr.