Matter, ether, and motion; the factors and relations of physical science (1892)
Dolbear, A. E. (Amos Emerson), 1837-1910 · Boston, Lee and Shepard · leaf 288
coveredwith a thin membrane called the drum of the ear. Onthe inner side of this membrane, there is attached tothe middle of it a bone fixed to a kind of hinge, so thatany movement of the drum of the ear, in or out, makesthis bone to move in a similar way. Then follows anetwork of bones and… … Diag. 34. — The Ear. tions. There are in the neighborhood of 4,000 of thesefibres, each one adapted to vibrate at a different pitch.Then follow the nerve terminals and the acousticnerve itself, which goes to the base of the brain, whereits function as an acoustic instrument ends with thedelivery of…
Physics
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