Vynálezce Bell zavolal před 140 lety z Bostonu do Cambridge. Šlo o první oboustranný telefonní hovor — ČT24 — Česká televize
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Alexander Graham Bell: Telephone & Inventions - HISTORY - HISTORY
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Images for 262787. TELEPHONE, Bell telephone co London, first part of the 20th century. - Auctionet
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History of the telephone - Wikipedia
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Erfindung des Telefons: Am Ende lacht Alexander Graham Bell - [GEO]
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Alexander Graham Bell | Biography, Education, Telephone, Inventions, & Facts | Britannica
Engraving depicting a Bell telephone, invented by Alexander Graham Bell. Alexander Graham Bell (1847-1922) a Scottish-born scientist, inventor, engineer, and innovator. Dated 19th century Stock Photo - Alamy
Canlandırmak iskelet doğan graham bell telefon Meşru mucize Alıcı
