Maritime History

By tdefrates
  • Period: to

    HMS Challenger

    Expedition to study topography of the global ocean

  • SONAR

    n 1906, American naval architect Lewis Nixon invented the first sonar-like listening device to detect icebergs

  • The First Submersible

    The First Submersible
    was used by William Beebe. He descended to a depth of 923 meters off Bermuda in a steel sphere that was tethered to a mother ship.

  • 1st submersible to reach Marianas Trench

    1st submersible to reach Marianas Trench
    Jacques Piccard descended in the untethered submersible Trieste to 10,912 meters below the ocean surface into the Marianas Trench.