Quote Originally Posted by Nemuragh View Post
My recollection is that he said the mirror was at the door (out onto the parade ground?). He definitely thought it was to check that nothing was being worn. However, he might have been mistaken since it doesn’t seem to have been in use; it might have been the opposite.
Again a post WW2 anecdote but my dad was an NCO who served in Highland regiments in the late 50's/60's. He talked about a highly polished piece of steel set into the ground in doorways to check whether underwear was being worn as soldiers passed through, which would make more sense than a mirror given the footwear worn back then. As always with old soldiers though, it's difficult to know if they are pulling your leg . Might be worth looking out for such a thing if you're wandering around an old barracks.

EEM