HMS Challanger

  • Tuscarora Expedition

    • This is the first expedition in the time line! -The commander of the ship was George Bleknap -Thomas sounding Machines were used on a telegraph cable in order to go across the pacific ocean -On their way they had discovered June De Fuca Ridge, indications of seamounts, and the japan trench.
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  • The Blake Expedition

    -Commander- Charles D. Sigsbee
    -Sigbee had desined a Sigsbee Sounding Machine and it was used for hearing sounds in the deep sea.
    -This took place in areas such as the Caribbean and Gulf of Mexico
    -This was also the first ship to be fitted with steel rope for oceanic reasons.
  • Gettyburg Expedition

    -H.H. Gorringe was the commander of the ship
    - They used the Thomas Sounding Machine throughout the expedition
    -They had discovered the undersea mountain that was off the west coast of portugal
  • Albatross Expedition

    The trip took place on a U,S. Fisheries Commission Streamer
    -It was commanded by Alexander Agassix
    -This was the first ship that was built by the government as an research vessel.
    -They traveled the south central pacific and they wanted to require data.
  • Submaine Signal Cooperation

    -Reginal Fessenden was the ship commander
    -They sailed the U.S. Coat guard cutter which is known as Miami
    -The Commander used his Fessenden Oscillator to refelct signals off of an iceberg.
  • The USS Stewert

    This trip was made by the French
    -During the trip, they used line to study the sounds across the Atlantic Ocean, and by doing this they used an echo acoustic sounder device.
  • The Guide Expedition

    -This expedition was very known due to its use of the Hayes Sounding Instrument that was created by a scientist known as Dr. Harvery Hayes.
  • Meter Expedition

    -It was a German ecpedition
    -The goal on this expedition was prove the continuity of a mid-atalntic ridge.
    -The purpose was to survery the south atlantic ocean by using echo sound devices
  • Scuba Systems

    • They used a device called the Automatic compressed air aualung
    • the device was perfected by Jacques-Yves Cousteau and Emile Gaynan
    • This allowed for the opening of expeditions that go in shallow-water areas.
  • The Alvin

    -The trip was operated by the Woods Hole Oceanographic Institution
    -This Alvin can go depp to about 764ft in depth.
    - The Alvin measures 35ft
    -The alvin was the first deep sea submersible that is capable of carrying passganers and two observers and a pilot.