Show modern diving suit A modern diving suit la Is a ra rigid 9 id case of aluminum alloy with ith movable arms and legg egg in which the pres sure aure Is the same sama at nil all tawes thus making it unnecessary for the diver to be lowered or raised by slow stages it has haa no outside air supply the air in it can be bre breci thed over and oner oer again as the carbonic add acid Is automatically re moed an inspru ment contains a telephone depth meter then themi ometer and a compass colliers weekly |