Language has no equivalent for the absolute physical silence that burst upon me in that fantastic, baffling chamber. […] I have known many kinds of silence—the silence of early morning, the silence of remote mountain summits, the silence of gently falling snow. […] Shut in by floor, ceiling, and walls of fiberglass, I throbbed with the silence of the dead and the silence that covers buried peoples and ages without a history.
Behind a paywall unfortunately
https://read.dukeupress.edu/differences/article-abstract/22/2-3/74/60653/On-Disability-and-Cybernetics-Helen-Keller-Norbert
TIL, thanks!!