[Milsurplus] Foxhole Radio - conclusion

[B Smith]

I went through some of my old notes and found that X-ACTO knife blades 
worked well
with standard #2 pencil lead. But I did not note which blade,   it 
might have been the ones
made out of "Oxidized Carbon Steel"  or 1095 Carbon Steel what ever 
that is.  :-)

73
k4che

--------------------------------------------------
From: "Glen Zook" <gzook at yahoo.com>
Sent: Tuesday, August 07, 2012 9:56 AM
To: <mstangelo at comcast.net>
Cc: <milsurplus at mailman.qth.net>
Subject: Re: [Milsurplus] Foxhole Radio - conclusion

The "blue blades" started to be painted in the 1950s time frame.  I 
remember the subject of "foxhole radios" being discussed in magazines 
like Popular Electronics in the late 1950s and early 1960s.  People 
were complaining that the "blue blades" then available would not work 
at all.  The reason noted was that the blades were then being painted 
instead of heat treated.  The suggestion of letting a "plain" blade 
rust was made to get a suitable detector.

Glen, K9STH


Website:  http://k9sth.com


________________________________
 From: "mstangelo at comcast.net" <mstangelo at comcast.net>
To: Glen Zook <gzook at yahoo.com>
Cc: KD7JYK DM09 <kd7jyk at earthlink.net>; whitaker at ieee.org; 
milsurplus at mailman.qth.net
Sent: Tuesday, August 7, 2012 7:42 AM
Subject: Re: [Milsurplus] Foxhole Radio - conclusion


Interesting.

When did they start painting them? I tried using one as a detector on 
the 1960's and had no luck. I went back to my 1N34 and 1N48's.
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