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History of the telephone

technology Maturity 9-11

The telephone helps us talk.

Trådtelefon-illustration.png
Trådtelefon-illustration.png
It lets us hear friends. Long ago, people used cans and strings. Now, we use wires and air. It is fun to talk to people! Can you say hello?

40 words
🖼️ Images & Media (15)
File:Actor portraying Alexander Graham Bell in an AT&T promotional film (1926).jpg
Actor portraying Alexander Graham Bell in...
File:Trådtelefon-illustration.png
Trådtelefon-illustration.png
File:Telephone Centennial Issue 1976-13c.jpg
Telephone Centennial Issue 1976-13c.jpg
File:USPTO Telephone Patent No. 174465.jpg
USPTO Telephone Patent No. 174465.jpg
File:Telefono di Meucci - Museo scienza tecnologia Milano 02148-02147 dia.jpg
Telefono di Meucci - Museo scienza...
File:Johann Philipp Reis telephone.jpg
Johann Philipp Reis telephone.jpg
File:Téléphone Gower Bell CNAM-IMG 0564.jpg
Téléphone Gower Bell CNAM-IMG 0564.jpg
File:Magneto wall telephone 1917 open.jpg
Magneto wall telephone 1917 open.jpg
File:1st Telephone Central Office.jpg
1st Telephone Central Office.jpg
File:1896 telephone.jpg
1896 telephone.jpg
File:OldReciever-ElementsOfElectricity-Pg43.png
OldReciever-ElementsOfElectricity-Pg43.png
File:W48 DBP.jpg
W48 DBP.jpg

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📚 Content adapted from Wikipedia | Readability: FK 12.4 | Vital Level 5