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Mercury thermometer
Gabriel Fahrenheit
Lightning rod
Benjamin Franklin
Safety razor
King Camp Gillette
Sleeping car
George Pullman
Cotton gin
Eli Whitney
Harvester/Reaper
Cyrus McCormick
Movable type for printing
Johannes Gutenberg
Steel plow
John Deere
Microscope
Antonie van Leeuwenhoek
X-rays
Wilhelm Conrad Roentgen
Antiseptic surgery
Joseph Lister
Battery
Alessandro Volta
Light bulb
Thomas Edison
Telescope
Galileo Galilei
Telegraph
Samuel Morse
Telephone
Alexander Graham Bell
Wireless telegraph
Guglielmo Marconi
Phonograph
Thomas Edison
Airplane
Wright brothers
Vulcanization of rubber
Charles Goodyear
Bifocals
Benjamin Franklin
Ferris wheel
George Washington Gale Ferris Jr.
Revolver
Samuel Colt
Machine gun
Richard Gatling
Liquid fuel rocket
Robert H. Goddard
Dynamite
Alfred Nobel
Hydrogen bomb
Edward Teller
Sewing machine
Elias Howe
Gas mask
Garrett Augustus Morgan
Traffic light
Garrett Augustus Morgan
Steam engine (improved)
James Watt
Electric motor
Michael Faraday
Alternating current (AC power)
Nikola Tesla
Diesel engine
Rudolf Diesel
Automobile (first practical)
Karl Benz
Assembly line manufacturing
Henry Ford
Ballpoint pen
László Bíró
Air conditioning
Willis Carrier
Elevator safety brake
Elisha Otis
Barbed wire
Joseph Glidden
Typewriter
Christopher Latham Sholes
Vaccination (smallpox)
Edward Jenner
Penicillin
Alexander Fleming
Anesthesia (ether)
William T. G. Morton
Electric generator / dynamo
Werner von Siemens
Analytical Engine / early computer
Charles Babbage
World Wide Web
Tim Berners-Lee
Jet engine
Frank Whittle
Helicopter
Igor Sikorsky
Submarine (modern)
John Philip Holland
Spinning jenny
James Hargreaves
Power loom
Edmund Cartwright
Bessemer process (steel)
Henry Bessemer
Can opener
Ezra Warner
Television
Philo Farnsworth
Coca-Cola
John Stith Pemberton
Pepsi
Caleb Bradham