The article celebrates the 150th anniversary of the invention of the telephone by Alexander Graham Bell, whose efforts and innovations in the field of communication, stemming from personal experiences and family background, led to the patenting of the telephone and its practical use, yet he faced many obstacles in promoting his invention. #AlexanderGrahamBell #telefon #neslyšící (translated)
Hlas místo telegramu. Bell před 150 lety otevřel novou éru komunikace
