Path: utzoo!mnetor!uunet!husc6!purdue!krc
From: krc@cs.purdue.EDU (Kenny Crudup)
Newsgroups: sci.electronics
Subject: Re: Library book detectors
Message-ID: <3672@medusa.cs.purdue.edu>
Date: 29 Mar 88 14:51:15 GMT
References: <5398@swan.ulowell.edu| <1261@uop.edu| <2521@ihuxv.ATT.COM| <2536@ihuxv.ATT.COM>
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Summary: RTFL

In article <1574@sigma.UUCP> bill@sigma.UUCP (William Swan) writes:
] My father worked on this stuff for a while during WWII, and said it was a
] bear to service, it was all wired with white wires with thermite charges
] distributed throughout, and a .38? shell set up at one end of the chassis
] to fire through all the vacuum tubes should self-destruct be required. Once
] in a while, of course, a particularly difficult module would accidentally
] misfire, making servicing it a moot point... :-)
] William Swan
 
In article <2536@ihuxv.ATT.COM>, tedk@ihuxv.ATT.COM (Kekatos) writes:
+ I wonder if this kind of explosive "copy-protection" is still
+ being used in today's miltary and defense electronics. 
+ Ted G. Kekatos

I dunno, but if the warning label on the outside reads "Qualified
Service Personnel Only", you'd better believe it!! First time a
service tech should get hazard pay, with the possible exception of
working on certain Zenith TV's :-)

-- 
Kenny "_R_o_b_o_B_r_o_t_h_e_r" Crudup		krc@arthur.cs.purdue.edu
Purdue University CS Dept.		
W. Lafayette, IN 47907			inews: Error code 257: .signature
+1 317 494 7842				joke too stupid: Not included