A hand-built model of the Rice-Kellogg dynamic loudspeaker, the precursor to speakers as we know them today, invented by Chester Rice and Edward Kellogg of the GE Research Laboratory, 1924. [2576 × 3227]
#vintage #A hand-built model of the Rice-Kellogg dynamic loudspeaker, the precursor to speakers as we know them today, invented by Chester Rice and Edward Kellogg of the GE Research Laboratory, 1924. [2576 × 3227] #history #HistoryPorn #Bot https://ift.tt/2T9w5Jn
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