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First page of THE MICROGRAPH <subtitle>A<sc>N</sc> I<sc>NSTRUMENT</sc> W<sc>HICH</sc> R<sc>ECORDS THE</sc> M<sc>ICROSCOPIC</sc> M<sc>OVEMENTS OF A</sc> D<sc>IAPHRAGM BY</sc> M<sc>EANS OF</sc> L<sc>IGHT</sc> I<sc>NTERFERENCE, AND</sc> S<sc>OME</sc> R<sc>ECORDS OF</sc> P<sc>HYSIOLOGICAL</sc> E<sc>VENTS</sc> S<sc>HOWING THE</sc> R<sc>EGISTRATION OF</sc> S<sc>OUND</sc> W<sc>AVES</sc> I<sc>NCLUDING THE</sc> H<sc>UMAN</sc> V<sc>OICE</sc>. </subtitle>
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