#leoberanek — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #leoberanek, aggregated by home.social.
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US acoustician, MIT professor & inventor Leo Beranek using a Hush-A-Phone, a device for silencing phone calls. AT&T, who held a #monopoly over US #telephone service at the time sued against the device & lost, setting a legal precedent that eventually led to their own breakup.
#telephony #silence #acoustics #LeoBeranek #SoundBeyondMusic #MuseumOfPortableSound