Abstract
May 16, 1888.—Whereas in the phonograph Edison made his sound records by causing the engraving tool to rise and fall, Emile Berliner in his gramophone employed a tool moving from side to side in a spiral groove cut in a disc. Berliner's original gramophone was first publicly exhibited in the Franklin Institute, on May 16, 1888, and it is now in the National Museum, Washington, D.C.
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S., E. Calendar of Discovery and Invention. Nature 119, 729 (1927). https://doi.org/10.1038/119729b0
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DOI: https://doi.org/10.1038/119729b0