> Fred said:
>
> > I remain convinced, however, that a carbon composition resistor will
> >change in value over time even if it is not heated.
Peter said:
> Having inherited my fathers junk box, as well as having built up mine over
> the last 40 years, I too have a number of brand new, never used carbon
> composition resistors. Measurements indicate exactly the same thing that
> Fred found - they have gone high. I have some 'High Stability' carbon comp
> resistors that are over 40 years old, and have been used; they're still
> within the tolerance rating. I even found a few ordinary carbon comps
> which were still in their 1970's military packaging, and they'd gone high,
> too.
>
Do you suppose you fellows missed the fact most boxes of
resistors are full of parasitics? Have you ever checked old
resistors kept in a nichrome storage box?
This could be a whole new market.
73, Tom W8JI
w8ji@contesting.com
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