[Milsurplus] Poly Paks

[COURYHOUSE at aol.com]

I remember the  real  bargain bag  of all mixed  unmarked  transistors! no 
markings  but  most of them   worked   and  for  general purpose   were just 
the  ticket!
 
Ed#
 
 
In a message dated 7/21/2013 1:47:12 P.M. US Mountain Standard Time,  
boeing377 at aol.com writes:

Even  with rock bottom prices Poly Paks had amazing customer service. I 
wrote to  them in the late 1960s about a clock kit that didn't work. They sent 
a letter  reply inviting me to return it. Two weeks later it was returned to 
me working  with a note saying that it had some defective parts and 
apologizing for the  inconvenience. 

Sometimes they sold pretty spotty QC rejects. I bought  a bag of PNP power 
transistors in TO 55 cases that were about 50% defective.  At 10 for .99 it 
was still a good deal. Still have a 400 Hz selsyn inverter  running that has 
a pair of those transistors. 

A great buy (at the  time) was a huge bag of assorted 7400 series TTL chips 
for $2.99.  All  had reject defacing, usually a partially drilled hole that 
didn't go down to  the silicon. All the chips worked. Not one dud. Had many 
7447 7490 74121 74123  and other useful chips. Must have been at least 200 
in the bag. At the time  (early 70s) it was a steal. Markings were all 
legible. 

Our local ham  swap meet has lots of bagged components from individual 
sellers. There are  some great deals on MOSFETs, small caps. etc.  I too often 
buy a cheap  bag of 50 when I only need 2. The lure of the bargain overwhelms 
common sense.  

Got a Q5er command set with a manual for $2 there last month. Some  
marginal rcvr in my collection is gonna get an extra IF stage. Maybe my  
Hallicrafters S  20?

Mark




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