I'm gonna take a guess and say because it was the beginning of the industrial revolution
The FRench doctor invented the stethoscope
Stethoscope - 1819 X-Ray
A stethoscope is very important for a young pediatrician.
The modern binaural Stethoscope was invented by the American physician George Philip Cammann in the 1850s. An earlier instrument was invented between 1816 and 1819 by the French physician René Laënnec.The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris.
laptop portability is the most important invention
Stethoscope
Christopher Latham Sholes was born in 1819. He was an American born in Pennsylvania. He is known for the invention of the modern QWERTY keyboard, although at the time it was used for typewriters, another invention of his.
The compass was an important invention because people knew where they were going !
The wheel invention
What is a binaurals on a stethoscope
the most important invention was the plow
Depends : fingers, stethoscope, EKG.