Modern
An alternative to the diving helmet that allows communication with the surface is the full face diving mask. These cover the diver's face and are held onto his head by adjustable straps.
"Diving helmet" sometimes means a hard safety helmet like a workman's helmet that covers the top and back of the head, but is not sealed. These may be worn with a full-face mask to provide impact protection.
During the First World War the British Army used a few diving helmets out of water as emergency protection from mustard gas.
Read more about this topic: Kirby Morgan
Famous quotes containing the word modern:
“In most modern instances, interpretation amounts to the philistine refusal to leave the work of art alone. Real art has the capacity to make us nervous. By reducing the work of art to its content and then interpreting that, one tames the work of art. Interpretation makes art manageable, conformable.”
—Susan Sontag (b. 1933)
“All modern American literature comes from one book by Mark Twain called Huckleberry Finn.... American writing comes from that. There was nothing before. There has been nothing as good since.”
—Ernest Hemingway (1899–1961)
“The reason for the sadness of this modern age and the men who live in it is that it looks for the truth in everything and finds it.”
—Edmond De Goncourt (1822–1896)