Old 1st Sep 2003, 07:33
  #1454 (permalink)  
Join Date: Dec 2002
Location: to the left and down
Posts: 66
WW2 sub periscopes used actual hair for the cross-hairs.

I had a haircut the other day, with a #2 comb. Fairly draughty now.

There are different cross-sectional shapes for each hair colour.

* * * Asides from Antipodoea * * *
RiskyRossco is offline