<Ul> <Li> <P> Antonio Meucci, 1854, constructed telephone - like devices . </P> </Li> <Li> <P> Johann Philipp Reis, 1860, constructed prototype' make - and - break' telephones, today called Reis telephone . </P> </Li> <Li> <P> Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876 . </P> </Li> <Li> <P> Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois . </P> </Li> <Li> <P> Tivadar Puskás proposed the telephone switchboard exchange in 1876 . </P> </Li> <Li> <P> Thomas Edison invented the carbon microphone which produced a strong telephone signal . </P> </Li> </Ul> <Li> <P> Antonio Meucci, 1854, constructed telephone - like devices . </P> </Li> <P> Antonio Meucci, 1854, constructed telephone - like devices . </P> <Li> <P> Johann Philipp Reis, 1860, constructed prototype' make - and - break' telephones, today called Reis telephone . </P> </Li>

Where were telephones likely to be found 25 years ago