[Milsurplus] Latter-Dig of 'Great Escape' Tunnels Humbles

[Robert Nickels]

On 1/22/2012 11:07 PM, KD7JYK DM09 wrote:
> "I wonder what a NOS Gillette "Blue Blade" still in the paper wrapping would fetch these days?
In my experience you don't need a blue blade.  All the foxhole radios I 
made as a kid were based on the article below, and worked just fine 
(i.e. picked up the one local radio station) with the pencil lead and a 
regular razor blade:

https://docs.google.com/open?id=0B98akUlPIomlYmI3NjA3YzctNGJjYi00ZjgzLTllZjQtNDZjMzlhYmEyOGMz

I'd bet most any kind of oxidized metal surface would work as a 
detector..  Just ask any ham who's fought a tough TVI problem caused by 
unwanted rectification.

73, Bob W9RAN