Leiutised Ameerikas 19. - 20. sajandil
arvan, et kui telefoni poleks saaks ka kõik väga hästi hakkama. Aga nagu enamus
leiutised on ka telefon teinud meie elu lihtsalt mugavamaks ja lihtsamaks.
10
Kasutatud allikad:
http://americanhistory.about.com/library/charts/blchartindrev.htm
http://en.wikipedia.org/wiki/Thomas_Edison#Electric_light
http://et.wikipedia.org/wiki/H%C3%B5%C3%B5glamp
https://www.youtube.com/watch?v=OvAHcPgcI2E
http://americanhistory.si.edu/lighting/19thcent/promo19.htm
https://www.youtube.com/watch?v=qo0kpCU03-U
http://en.wikipedia.org/wiki/Wright_brothers
http://et.wikipedia.org/wiki/Alexander_Graham_Bell
http://www.history.com/topics/inventions/alexander-graham-bell
http://www.biography.com/people/alexander-graham-bell-9205497#pursuing-his-
passion
https://www.youtube.com/watch?v=VGWeQ2kIPKY
http://en.wikipedia.org/wiki/Henry_Ford
http://www.biography.com/people/henry-ford-9298747#philosophy-philanthropy-and-
anti-semitism
http://inventors.about
annaabi.ee 
