"9205497" - 1 õppematerjal

Leiutised Ameerikas 19. - 20. sajandil

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.com/od/fstartinventors/a/HenryFord.htm https://www.thehenryford.org/exhibits/hf/The_Innovator_and_Ford_Motor_Company.as p https://www.youtube.com/watch?v=g_qLCdrbU78 http://www.britannica.com/EBchecked/topic/273503/Elias-Howe http://en.wikipedia.org/wiki/Sewing_machine