On 13/08/2014 09:07, Richard wrote:
"Nightjar wrote in message
...

On 12/08/2014 16:46, whisky-dave wrote:
..
I heard that in certain areas sich as docks german spies had
submitted moire detailed maps to the Gernams than the OS maps did to
our maps.


In which war? SFAIK, German documents confirm that in WW2 we
intercepted and either executed or turned every spy the Germans sent
against us.

Ah. But we didn't get the Gernam ones. They were cunningly concealed
within the moire patterns.

I guess they were dropped by parachute, silk, of course. Can produce
fantastic moires.

--
Rod