The gramophone: etching the human voice

Handwritten note on p. 1: "Copy from which I read the paper may 16/88." And in different handwriting: "The text was changed here and there for publication in Journal of the F.I." More handwritten notes appear throughout text.
P. 22 contains clipping from the Evening Herald, May 17, 1888, describing Berliner's address to the Franklin Institute about the gramophone. Cover for address is missing.
Published speech by Berliner delivered to the Franklin Institute on May 16, 1888, about the gramophone.