John Deere

http://www.clementsjd.com/

http://www.curtisandsons.com/

Morse

        http://www.gms.ocps.k12.fl.us/biopage/h-m/morse.html

Eli Whitney

http://www.eliwhitney.org/ew.htm

http://www.geocities.com/Heartland/Pointe/3048/bio/WHITNEY/eliwhitney.html

http://www.eliwhitney.org/ew.htm

http://www.ego.net/us/ga/sav/history/index.htm

http://www.encyclopedia.com/articles/13837.htm

Steel Plow

http://www.kyrene.k12.az.us/schools/brisas/sunda/inventor/deere/

http://www.road-scholars.com/sample/trip1/day3/enrich.htm

http://web.mit.edu/invent/www/inventorsA-H/deere.html

http://www.geocities.com/Yosemite/Trails/9334/deere.html

http://www.hti.umich.edu/cgi/a/amverse/amverse-idx?type=HTML&rgn=DIV0&byte=19491882

http://www.publicbookshelf.com/public_html/The_Great_Republic_By_the_Master_Historians_Vol_III/thepanic_ce.htm

Mechanical Reaper

http://www.google.com/search?hl=en&lr=&safe=off&q=Mechanical+Reaper

http://www.vaes.vt.edu/research/publications/99-1-2.pdf

http://www.vaes.vt.edu/steeles/mccormick/mccormick.html

http://www.hpj.com/wsdocs/whearts/cut_wh.htm
http://www.google.com/search?q=Mechanical+reaper+1800%27s&btnG=Google+Search&hl=en&lr=&safe=off

http://www.astro.virginia.edu/research/observatories/26inch/history/reaper.html
http://web.mit.edu/invent/www/inventorsI-Q/mccormick.html
http://members.tripod.com/~FantumPhreek/MowerReaper.html

Cyrus Mccormick
http://www.comptons.com/encyclopedia/ARTICLES/0100/01123840_A.html
http://www.shsw.wisc.edu/archives/ihc/
http://www.vaes.vt.edu/steeles/mccormick/mccormick.html
http://www.shsw.wisc.edu/archives/ihc/cyrus.html

http://www.invent.org/book/book-text/73.html       http://www.vaes.vt.edu/steeles/mccormick/bio.html

Eli Whitney
http://www.eliwhitney.org/ew.htm
http://www.invent.org/book/book-text/108.html
http://www.geocities.com/Heartland/Pointe/3048/bio/WHITNEY/eliwhitney.html
http://web.mit.edu/invent/www/inventorsR-Z/whitney.html
http://technology.ksc.nasa.gov/ETEAM/whitney.html

Telegraph
http://members.tripod.com/morse_telegraph_club/
http://www.chss.montclair.edu/~pererat/perkhx.htm
http://www.chss.montclair.edu/~pererat/0010.gif
http://www.si.edu/lemelson/dig/westernunion.html
http://www.cochrane.org.uk/inside/papers/fromcoppertoglass.htm

 http://www.thetelegraph.com  

Elias Howe
http://rmeservy.byu.edu/cgi-win/pafweb.exe/CGI?Davisp~287

http://www.britannica.com/bcom...7/0,05716,42147+1+41238,00.html         http://genforum.genealogy.com/howe/messages/1802.html

Railroads
http://www.railsusa.com/historical.shtml
http://www.railspot.com/sptco/
http://home.att.net/~mforder/#Railroad
http://www.railroaddata.com/rrlinks/Tourist_RRs_and_Museums/Southwestern_USA/more4.html