[Boatanchors] Old resistor values

[Ted Minchin, ZL1MT.]

Yep, I have found that ALL the carbon comp resistors made in the 50's and 60's increase resistance with age, used or not.... My view is that they are pretty to look at but best not used!!
73 de Ted
ZL1MT

> 
> From: "Yong Surk Lee" <yonglee at yonsei.ac.kr>
> Date: 2004/12/15 Wed PM 02:56:31 GMT+13:00
> To: <boatanchors at mailman.qth.net>
> Subject: [Boatanchors] Old resistor values
> 
> 
> I found thousands of NOS resistors ranging from 1ohm to a few megohms at a
> local hamfest. I believe these were made by Ohmite in the 50s or 60s. These
> resistors are unused. Strangely measured values of most of these resistors
> are about 10-20% higher than color coded values. Most of these are 0.25-2
> watt and 5 or 10% tolerence resistors.
> Here is my question. Does the resistor values increase as time passes even
> if unused? Anybody experienced this?
> 
> 
> 
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