No longer do we favor highly colored charts that picture in purple, green, and black the effect of stimulants and narcotics upon the heart and brain, the stomach, the liver, the knee, and the eardrum, assuming that all resultant evils are concentrated in one organ.
"Civics and Health"
William H. Allen
I can hear the dropping of a pin through a stone wall ten feet thick; any sound within a mile of my eardrum vibrates thereon with an intensity which would surprise you, and it is by the use of cocaine that I have acquired this wonderfully acute sense.
"The Pursuit of the House-Boat"
John Kendrick Bangs
But Tom, and those who knew the awful power of the big cannon, wore specially prepared eardrum protectors, that served to reduce the shock.
"Tom Swift and his Giant Cannon or, The Longest Shots on Record"
Victor Appleton