A standard diving dress consists of a metallic (copper and brass or bronze) diving helmet, an airline or hose from a surface supplied diving air pump, a canvas diving suit, diving knife and weighted boots. An important part of the equipment is the lead weights, generally on the chest, back and shoes, to counteract the buoyancy of the helmet and diving suit. Weighted boots may use brass, iron or lead for soles. The uppers are often made of oiled leather or canvas.
This type of diving equipment is also known as hard-hat equipment or a "John Brown" rig, so-called after the British company that built many of the helmets. In the United States, it is sometimes known as a "Diver Dan" outfit, from the television show of the same name. It was commonly used for underwater civil engineering, commercial diving and naval diving.
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Famous quotes containing the words standard, diving and/or dress:
“Where shall we look for standard English but to the words of a standard man?”
—Henry David Thoreau (1817–1862)
“A worm is as good a traveler as a grasshopper or a cricket, and a much wiser settler. With all their activity these do not hop away from drought nor forward to summer. We do not avoid evil by fleeing before it, but by rising above or diving below its plane; as the worm escapes drought and frost by boring a few inches deeper.”
—Henry David Thoreau (1817–1862)
“At the milliners, the ladies we met were so much dressed, that I should rather have imagined they were making visits than purchases. But what diverted me most was, that we were more frequently served by men than by women; and such men! so finical, so affected! they seemed to understand every part of a woman’s dress better than we do ourselves; and they recommended caps and ribbons with an air of so much importance, that I wished to ask them how long they had left off wearing them.”
—Frances Burney (1752–1840)