Main 4

Discoveries/inventions in America

By dicksc
  • Lightning rod

    Lightning rod
    The Lightning rod was invented by Benjamin Franklin when he was just learning the explorations of electricity.The lightning rod is metal rod or metallic object mounted on a top of a building.
  • Cotton Gin

    Cotton Gin
    The cotton Gin is a machine that easily seperates cotton fibers form their seeds. It was eaiser for people because they used to have to pick every seed out by hand. It was invented by Eli Whitney in 1793.
  • Morse Code

    Morse Code
    Morse Code is a machine that transmits text info in clicks and tones that froms out letters of the alphabet to send a message to a transmitter and they will mail it to the other person.
  • Solar Compass

    Solar Compass
    The solar compass is an instrument that was invented by William Austin Burt.It is made of brass with a solar attachment that allows people to determine the true line of the sun.
  • Double-barrland cannon

    Double-barrland cannon
    the double barreland cannon was invented by John Gilleland, he was a dentist/ builer and mechanic. It only cost
    $350 in 1862 the barrrels can rotate 3 degrees.
  • Phonograph

    Phonograph
    The phonograph/ record player/ gromophone, is a device used for music, it consist of wavy lines and a niddle that grooves over a rotating disc in a pattern to reproduce sounds and vibrations.
  • Cliff Palace

    Cliff Palace
    The Cliff Palace is the largest cliff dwelling in North America. The structure built by the Ancient Pueblo Peoples is located in Mesa Verde National Park in their former homeland region. The cliff and park are in the southwestern corner of Colorado, in the Southwestern United States. The ancient ruins of Cliff Palace were co-discovered during a snowstorm in December 1888.
  • Stop Sign

    Stop  Sign
    William Phelps Eno invented the stop sign. The stop sign is a sign ussed for trafic to stop. Used for when there is a four way and so people dont crash.
  • Ferris Wheel

    Ferris Wheel
    The ferris wheel was made by George Washington Gale Ferris Jr. in 1891 June 21. It was built mostly for people to have fun, and now the most common type of carnival ride in the U.S.
  • Bubble Gum

    Bubble Gum
    In 1928 Walter E. Diemer invented bubble gum. Walter was trying different recipes to make gum less sticky so people can chew it.
  • Pluto

    Pluto
    Clyde William Tombaugh, the American astronomer who discovered Pluto in 1930. Pluto is known for the "drawf" planet. It is the ninth planet from the sun, whitch it obrits the sun.
  • Pulsating white dwarf

    Pulsating white dwarf
    Pulsating white dwarf or known as the white star. Winget was actraully seaching for a different star and found the white dawft. the star contains about as much matter as the sun, about nearly as much a million times as earth but is much smaller.
  • Titanic weckage

    Titanic weckage
    For a few months the wreckage was unknown until a few expdiitions were tried, but they had a hard time trying to find it because of the weather and poor search strategy. The wreck was located about 370 miles south-southeast of the coast of newfoundland.
  • Airplane

    Airplane
    Le Bris first started making out models of a glider in 1803 and chouldnt get it to work until 1853. After a few years he succesfully invented a engine running plane. It was shaped like a bird.
  • Machine Gun

    Machine Gun
    This machine gun was built in 1884 by John browning, he made it for personal defence. It is portable and is small enough to be used like a rifle. The gun is designed to shot for as long as the trigger is held down.