History of Phones
Category: Other
Updated: 24 Oct 2018
Osasere Guobadia
first period
Contributors
Created byOsasere Guobadia
Attachments
Events
*First telephone
( 1870s - 1940s)The first telephone callwww.americaslibrabrary.govHow Graham Bell invented the first telephoneFunctional design
(1876-1947)The invention of transistorsWhen was it uncovered?Different types of servicesBattery SystemsWhat was the telettrofoni used for?sound transmissionThe first cell phone callThe first smartphoneSamsung's Galaxy Xcellphones camrasFirst female telephone opeeratorThe first car phoneThe first telegramThe First iPhone announcedFirst iphone relesedPeriods
the Development of the telephoneTelephone Line
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