http://inventors.about.com/od/astartinventions/a/FamousInvention.htm
About.com…lots here!
 
http://invention.smithsonian.org/home/
The Lemelson Center is dedicated to exploring invention in
history and encouraging inventive creativity in young people.
 
http://www.havefunwithhistory.com/HistorySubjects/ScienceInvention.html
A resource for students, educators and all lovers of American History
 
http://memory.loc.gov/ammem/edhtml/edhome.html
Edison Motion Picture Recordings
 
http://americaninvetors.blogspot.com/
 
http://www.women-inventors.com/
Famous Women Inventors is pleased to present an introduction to a handful of the many females whose ingenuity helped to shape the world as we know it over the last couple of centuries. Select an inventor from the list to read more about her life and the inventions she created.
 
http://www.edinformatics.com/inventions_inventors/
WHAT WERE THE GREATEST INVENTIONS OF ALL TIME?
Here is the Encyclopædia Britannica's list for--The Greatest Inventions of All Times
 
http://www.enchantedlearning.com/inventors/indexz.shtml
https://www.thomasedison.org/inventions
Edison Innovation Foundation
 
http://www.pbs.org/wgbh/americanexperience/films/edison/
Thomas Edison. American Experience
 
http://invention.psychology.msstate.edu/
Invention of the airplane virtual museum
 
http://www.infoplease.com/ipa/A0004637.html   
A Guide to Inventions and Discoveries From Adrenaline to the Zipper
 
http://www.history.com/topics/inventions
Inventions and science from the History Channel
 
http://www.ideafinder.com/history/inventions/a-z/letterA.htm
List of inventions and inventors
 
 
 
 
http://www.ushistory.org/us/25c.asp 
With links to Goodyear, Morse, Sewing Machine, Whitney
 
http://www.black-inventor.com/
Black Inventors
 
http://www.electricalfun.com/inventors_inventions.htm 
Great Inventors in Electrical History
 
http://www.kidinfo.com/american_history/inventors_inventions.html
Famous Inventor Biographies and the History of Famous Inventions
 
http://www.pbs.org/wgbh/americanexperience/films/tesla/
Nikola Tesla
 
http://www.pbs.org/wgbh/americanexperience/films/henryford/
Henry Ford
 
https://www.smithsonianmag.com/history/history-ferris-wheel-180955300/
Ferris Wheel
 
https://www.nytimes.com/2013/04/07/magazine/who-made-that-ferris-wheel.html
Ferris Wheel
 
https://www.popularmechanics.com/technology/gadgets/a341/2078467/
Brief descriptions

https://www.lego.com/en-us/aboutus/lego-group/the_lego_history
Legos

http://mentalfloss.com/article/19400/early-history-lego

https://www.history.com/news/the-disastrous-backstory-behind-the-invention-of-lego-bricks

https://www.washingtonpost.com/news/retropolis/wp/2017/09/15/legos-plastic-bricks-transformed-childhood-are-they-sturdy-enough-to-survive-screens/?noredirect=on&utm_term=.7870d5decf88  

Neon Lights
https://www.sciencehistory.org/distillations/magazine/a-blaze-of-crimson-light-the-story-of-neon 

http://neonlibrary.com/neon_history_2.html 

http://edisontechcenter.org/NeonLamps.html 

https://www.youtube.com/watch?v=4XfEEAieO6k

Refrigerators
https://www.livescience.com/57797-refrigerator-history.html 

https://www.partselect.com/JustForFun/Major-History-The-Refrigerator-And-Freezer.aspx 

http://www.historyofrefrigeration.com/refrigeration-history/ 

https://www.realestate.com.au/news/a-household-history-of-the-fridge-2/ 

Computers

https://science.howstuffworks.com/innovation/inventions/who-invented-the-computer.htm

https://www.history.com/topics/inventions/invention-of-the-pc 

https://www.livescience.com/20718-computer-history.html 

https://www.phy.ornl.gov/csep/ov/node8.html

Tractors
http://www.froelichtractor.com/thetractor.html

https://www.sodgod.com/tractor-history/

https://americanhistory.si.edu/tractor

https://www.deere.com/en/our-company/history/

https://www.dkfindout.com/us/transportation/history-tractors/