American Inventions 1730-1850 Quiz Stats

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Score 0/25 Timer 05:00
0 Plays Today
% Correct
Lightning rod
85.9%
Franklin stove
85.1%
Bifocal lens
81.5%
Cotton gin
78.7%
Telegraph
76.7%
Revolver
72.2%
Vulcanization of rubber
70.5%
Steel plow
67.1%
Long rifle
66.4%
First commercially successful steamboat (The Clermont or the North River Steam Boat)
56.6%
Glassychord (harmonica)
49.6%
Sewing machine
46.5%
Conestoga wagon
44.6%
% Correct
Corliss steam engine
42.9%
Mechanical mower-reaper
40.8%
Interchangeable parts
39.3%
Clipper ships
34.5%
Suspension bridge (wire cable)
34.3%
Submarine
29%
Ether as a practical anesthetic
26.4%
Steam locomotive (Tom Thumb)
24.7%
Spinning cotton thread mill
24.2%
Cast-iron 3-piece-plow
23.5%
Ether as an anesthesia
23.5%
Steam shovel
19.9%

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