What was first demonstrated by this inventor in 1876?
What was first demonstrated by Alexander Graham Bell at the Philadelphia Exhibition in 1876?
Telephone telephone communication Phone Telephone bell ✆ Telephone communication Fone telephones ⌕ fixed telephony telephone and telephone system phone Telephone receiver ☏ A phone telephone telpehone Telpehone telephone set Telephones telephone receiver station set Fixed telephony Telephone set telephone bell Station set Phones Telephone and Telephone System telephone cord ℡ 📞 ☎ phones fone Telephone cord
Telephone
Section::::Abstract.
Alexander Graham Bell
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