Inventions

Inventions

Telegraph

http://inventors.about.com/library/inventors/bltelegraph.htm

http://www.allsands.com/History/Objects/historyofthet_ahg_gn.htm

http://historywired.si.edu/detail.cfm?ID=324

http://www.personal.psu.edu/users/e/m/emr150/group.html

http://www.publicbookshelf.com/public_html/The_Household_Cyclopedia_of_General_Information/historyte_dac.html

http://www.tcnj.edu/~carter7/w_design/tele/

Electric Lightbulb

http://inventors.about.com/library/inventors/bledison.htm

http://www.ushistory.net/electricity.html

http://www.bergen.org/ECEMS/class/light.htm

http://www.umsl.edu/~rkeel/280/class/edison.html

Matches

http://inventors.about.com/library/inventors/blmatch.htm

http://www.ideafinder.com/history/inventions/story079.htm

http://www.rpsgb.org.uk/members/museum/musexhibwajo.htm

http://en.wikipedia.org/wiki/Match

Reaper

http://inventors.about.com/library/inventors/blmccormick.htm

http://inventors.about.com/gi/dynamic/offsite.htm?site=http://www.invent.org/hall%5Fof%5Ffame/1%5F1%5F6%5Fdetail.asp%3FvInventorID=101

http://allsands.com/History/People/cyrusmccormick_rcm_gn.htm

http://www.lib.niu.edu/ipo/ihy000446.html

Battery

http://www.ideafinder.com/history/inventions/story066.htm

http://www.energyquest.ca.gov/scientists/volta.html

http://www.italian-american.com/volta.htm

http://www.radio-electronics.com/info/radio_history/gtnames/who_was_volta.html

Sewing Machine

http://inventors.about.com/library/inventors/blsewing_machine.htm

http://www.ideafinder.com/history/inventions/story065.htm

http://www.herhobbies.com/sewing/history.shtml

Telephone

http://sln.fi.edu/franklin/inventor/bell.html

http://inventors.about.com/library/inventors/bltelephone.htm

http://www.ideafinder.com/history/inventions/story078.htm

http://www.att.com/history/inventing.html

http://www.ideafinder.com/history/inventors/bell.htm

Stethoscope

http://www.antiquemed.com/monaural_stethoscope.htm

http://www.rossonhousemuseum.org/body_stethoscope_history.html

http://www.dimdima.com/science/science_common/show_science.asp?q_aid=143&q_title=Rene+Theophile+Hyacinthe+Laennec