Quote Originally Posted by OC Richard View Post
Not only throughout WWI but also WWII.

Scottish troops wore those large-diameter TOS in North Africa in the blazing sun and yes they're big enough to give some protection.

Here you can see that they give quite a bit of shade

What seems odd to me is that for the two fellows in the center, the sun seems to be at different angles (different shade trajectory). I can't believe that anyone would fool with those images though. I suppose it is just the positioning of the bonnets.