:for the timeline of the smart phone, see smartphone. this timeline of the telephone covers landline, radio, and cellular telephony technologies and provides many important dates in the history of the telephone.  == up to 1875 == thumb|right|130px|innocenzo manzetti thumb|130px|antonio meucci thumb|130px|charles bourseul thumb|130px|johann philipp reis thumb|130px|elisha gray thumb|130px|thomas edison thumb|right|130px|alexander graham bell thumb|right|130px|thomas augustus watson thumb|right|130px|tivadar puskÃ¡s thumb|right|130px|emile berliner thumb|right|130px|charles sumner tainter thumb|right|130px|theodore newton vail * 1667: robert hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations.mcveigh, daniel p. an early history of the telephone: 1664-1866: robert hooke's acoustic experiments and acoustic inventions (archived from the original on 18 jun 2013), columbia university website. retrieved january 15, 2013.giles, arthur (editor). county directory of scotland (for 1901-1904): twelfth issue: telephone (scottish post office directories), edinburgh: r. grant & son, 1902, p. 28. * 1844: innocenzo manzetti first suggests the idea of an electric "speaking telegraph", or telephone. * 1849: antonio meucci demonstrates a communicating device to individuals in havana. it is disputed if this is an electromagnetic telephone, but is said to involve direct transmission of electricity into the user's body. * 1854: charles bourseul publishes a description of a make-and-break telephone transmitter and receiver in l'illustration, (paris) but does not construct a working instrument * 1854: meucci demonstrates an electric voice-operated device in new york, but it is not clear what kind of device he demonstrated. * 1860: johann philipp reis of germany demonstrates a make-and-break transmitter after the design of bourseul and a knitting needle receiver. witnesses said they heard human voices being transmitted. * 1861: johann philipp reis manages to transfer voice electrically over a distance of 340 feet with his reis telephone. reis uses his telephone to transmit his phrase "
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