Standard diving dress, also known as hard-hat or copper hat equipment, deep sea diving suit or heavy gear, is a type of diving suit that was formerly used...

waterproof suit to the helmet and in the early 19th century became the standard diving dress. Limitations in the mobility of the surface-supplied systems encouraged...

also incorporate a breathing gas supply (such as for a standard diving dress or atmospheric diving suit), but in most cases the term applies only to the...

Surface-supplied diving is a mode of underwater diving using equipment supplied with breathing gas through a diver's umbilical from the surface, either...

Sea, four divers were in a diving chamber system on the rig's deck that was connected by a trunk (a short passage) to a diving bell. The divers were Edwin...

breath-hold underwater diving Scuba diving, as distinct from the use of standard diving dress (old usage dating from before drysuits and wetsuits were commonly...

modern equivalent of the historic "standard diving dress". The usual meaning of diving helmet is a piece of diving equipment that encases the user's head...

heavy diving equipment in the early 20th century, including helmets and diver's air pumps. In 1912 Drägerwerk developed standard diving dress which did...

use of standard diving dress with the traditional copper helmet. Hard hat diving is any form of diving with a helmet, including the standard copper helmet...

operated low pressure air compressor used to provide divers in standard diving dress with air while they are underwater. Rotary pumps are driven by a...