a photo by David McCudden
The Mark V [diving helmet] was used by the US Navy from 1916 till 1984, when the fiber glass Mark XII that was introduced in 1979, finally took over permanently.
*see The Swedish Royal Warship Vasa by Chantal-Marie Wright for more on this expedition
a flickr set posted by flash62_au:
In 1986 I and my friends Jeff and Paul were lucky enough to try diving in authentic World War II hard hat equipment. It was done at Wellington Point in Brisbane, which is a terrible place to dive (visibility was zero for the whole time) but it was a lot of fun. Photos were taken by Paul.
You can just make out the tea-towel that was placed in the rim of the helmet which you have to use to equalise. Because you can’t hold your nose as you would on scuba, you squash your nose into the tea-towel and blow. Crude, but it works.
do-it-yourself divers – via x-ray delta one