KB6NU's Ham Radio Blog
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Ham radio archaeology: the Resist-O-Guide
Posted: 24 Feb 2017 06:33 AM PST
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I recently inherited some furniture, including a computer desk and chest of
drawers. Im now using the computer desk as my operating desk and the chest
of drawers for storage. In moving stuff out of the small kids desk that I
was usingĀ*for storage, Ive come across a bunch of amusing little things
that Id squirreled away. One of them is this IRC Resist-O-Guide.
Click on the images above to get larger, more readable versions.
You simply dial in the colors on your resistor, and it tells you the value!
On the back is a list of all the standard values.
Im not sure how I came into possession of this little wonder. It was
obviously given out as swag by a company called Master Electronics, which
at one time was prosperous enough to have outlets on both the east side and
west side of Detroit. Perhaps my dad picked it up at one of the stores. He
used to build hi-fi kits back in the day.
As far as IRC goes, the brand is now owned by TT Electronics, a UK company.
Ive sent them an e-mail, asking if the Resist-O-Guide might still be
available, but I doubt that it is.
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