1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration

Choose a Page:What creatures live at the bottom ...Who invented the submarine?How deep is the ocean?What is a submersible?How deep have humans dived?Who owns treasure found on the sea...How are submersibles controlled?Are there any useful minerals on t...What does SCUBA stand for?How is the depth of the sea measured?What are the bends?*How did early diving suits work?*How does a modern diving suit work? How did early diving suits work? An early diving suit The first diving suits date from the 1600s. An enlarged metal helmet covered the diver's body down to the hips, with holes for the arms. Air pumped through a hose into the 'suit' enabled the diver to breathe. The pressure of the air also kept the water out. A diver could only dive the length of the hose.   Previous: Back Book: 1001 Section: Science and Technology Chapter: Undersea Exploration