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Eli Whitney/Cotton Gin
The cotton gin could easily separate cotton fibers from the seeds. -
Eli Terry/Clock
Eli introduced mass production to clock making. Doing this made it affordable for all the get a clock. -
Cyrus Hall McCormick/Mechanical Reaper
Had a vibrating cutting blade, a reel to bring the grain into its reach, a platform to receive falling grain. -
Squire Whipple/Iron Truss Bridge
Invented two new truss designs using iron and timber. -
Richard M. Hoe/Printing press
First rotary printing press. Increased speed and quality -
Moses Farmer/Electric Fire Alarm
Used automatic signaling to locate a fire. Was very successful and limited property loss. -
John Landis Mason/Mason Jar
Had threaded screw on top which was reliable than using wax to seal the jar. -
Edward Calahan/ Stock Ticker
A stock ticker ticks any time there is a change in price up or down. -
Joseph Glidden/Barbed Wire
His was different than others it used two strands rather than one strand. -
Simon Ingersoll/Steam Powered Rock Drill
This made work faster and less stressful. The rock drill was only possible with the invention of the percussion drill in 1871. -
Lewis Waterman/Fountain Pen
Made so ink would flow continuously. -
Jesse Wilford Reno/Escalator
Had an incline of 25°, at firs had stationary handrail but later changed to moving handrail
