It was a binaural, ultra-fidelity job, and I could close my eyes and feel the orchestra in front of me.
"Let'em Breathe Space"
Lester del Rey
Steadily, patiently, the binaural stethoscope travelled over the lung area, gathering abnormal sounds, searching for silent spaces, sucking evidence into the assimilative brain behind the eyes that saw nothing but the man upon the bed, the locked human casket housing the secret that was slowly, surely coming to light.
"The Dop Doctor"
Clotilde Inez Mary Graves
I had heard that absurd charge once too often, and raising my Blaisdell binaural stethoscope I leaped upon him.
"The War of the Wenuses"
C. L. Graves and E. V. Lucas