a feature of alien spacxesuit helmet design

"Teresa" <[hidden email]> wrote (Subject: Re: just wondering):-
> OT there's an interesting piece on space suit development at:
> http://www.lanset.com/aeolusaero/Articles/SSuits.htm

That page includes an embedded graphic
http://www.lanset.com/aeolusaero/Articles/_derived/SSuits.htm_txt_image012_2.gif
which shows a real pressure suit helmet which splits into front and back halves
like with the UFO series alien spacesuit helmets. (In the alien helmets, the
black ridge over the top marks the join.)