Show ingente infected d Aeo acoustic tiles tile the late emile berliner was wag th inventor of the acoustic cement cell sir mr berliner had bid staged hall for or years lie he observed obier ved that an andl borlum that b bes wooden walls walla has ro on perlor acoustics astles the bluso A bad acoustics Is 1 tile the of walls it was this theory that ala inventor developed in the acou AtIf vice these are composed ot of cement and yet have the resonance 6 n wood they are the fruit of at moo awa thoo thau 20 yearl of |