Science: Inventions

Sounding. Into Manhattan steamed the French liner Paris, bearing storm scars, notables, a squad of German engineers and a new German device for deep-sea sounding with which the engineers had experimented on the way over from Havre. This device consisted of a gun on the port side, a microphone abreast on the keel's starboard side, a dial on the bridge. The gun fired a cartridge overside, which exploded a fathom under water. The microphone registered this explosion's last echo from the bottom, permitting the depth...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!