Single-Action Army Handgun
Telegraph
(1848)
(1837)
This handgun is a single action revolver holding six
bullets. What made this invention important is that up
until this point, soldiers’ guns would only shoot one bullet
at a time and required reloading after each shot which
was very time-consuming during the heat of battle.
Who invented this?
a.
b.
c.
Albert Revolver
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Samuel Colt
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Oliver Winchester
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The telegraph was able to send messages long distances
using wire and electric current. Telegraph operators sent
messages by interrupting the current with a series of long
and short interruptions corresponding with letters of the
alphabet. A receiver on the other end would transfer these
current interruptions to a series of clicks which another
operator would decode to receive the message.
Who invented this?
d.
John Anderson
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e.
Thomas Edison
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f.
Samuel Morse
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Self-Polishing Cast Steel Plow
Cotton Gin
(1837)
(1794)
The steel plow was invented to meet the needs of the pioneer
farmers trying to plow the rich, fertile soil of the Midwest. These
farmers had brought cast-iron plows with them from the East
where the land was much more light and sandy. The
Midwestern soil would stick to the bottom of the plow, and
every few minutes the farmer would have to stop to scrape the
soil from the plow. After the steel plow was invented, it changed
farming tremendously because the soil did not stick to the plow
making plowing much easier and faster. Farmers could work
much larger fields in the same amount of time.
The cotton gin was a machine that separated cotton
seeds from the cotton fibers which had previously been
done by hand. However, instead of making life easier, it
allowed farmers to cultivate much larger plots of land
increasing the need for more workers, usually slaves, to
grow and pick the cotton.
Who invented this?
Who invented this?
g.
Henry Hewitt
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j.
Eli Whitney
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h.
John Deere
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k.
George Washington Carver
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i.
Thomas Jefferson
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l.
Elijah Oliver
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Lightning Rod
Mechanical Reaper
(1752)
(1831)
Lightning rods provide a low-resistance path to the ground
that can be used if lightning strikes a structure.
Direct lightning strikes are always a fear as they can
cause substantial damage to a building and could also
cause a fire.
The mechanical reaper was a horse drawn farm
implement that could cut down wheat more quickly and
efficiently. Up until this time, farm workers had to cut down
a crop by hand with scythes and sickles. Much more
wheat could be grown and harvested and increased
productivity by ten times.
Who invented this?
Who invented this?
m.
Horace Baker
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p.
Cyrus McCormick
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n.
Charles Oliver
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q.
Edward Lenox
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o.
Benjamin Franklin
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r.
Peter Burnett
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Airplane
Incandescent Lightbulb
(1903)
(1879)
On December 17th, 1803 near Kitty Hawk, NC, history was
made with the first powered flight in a controlled aircraft
capable to fly by itself. This flight lasted 12 seconds and
stretched 120 feet. These brothers’ historic flight marked
the beginning of the air age.
Although this person didn’t invent the incandescent light
bulb, he invented the first practical use of it. He bought the
copyright from the original inventors, and then improved on
the design to make a bulb last more than a couple of
minutes. Before this invention, the best source of lighting
was gas lights. They were dirty, got soot all over everything,
as well as made the room hotter and uncomfortable. Gas
lights could cause fires, and the equipment had to be
cleaned almost every day.
Who invented this?
s.
Smothers Brothers
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t.
Wright Brothers
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u.
Baldwin Brothers
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Who invented this?
v.
Thomas Edison
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w.
Benjamin Franklin
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x.
George Westinghouse
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