Gas masks through the ages from different parts of the world.
Don't ask how I found it...
This chirpy photo of a Russian horse gas mask did get me quite hard though
www.gasmasklexikon.com/Page/Ussr-Pferd.htm
(, Wed 26 Nov 2008, 1:10, Reply)
It's the only way some of us got through those tedious Remembrance Day ceremonies without dying of boredom.
Although, in retrospect, it's a pity some of the older folk weren't quite as amused as the rest of us.
(, Wed 26 Nov 2008, 1:22, Reply)