[volt-nuts] Resistance standard

Charles Black cblack at centurytel.net
Sat Jul 23 17:50:19 UTC 2011

Hi John,

Thanks for your great suggestion! We don't have Tractor Supply in 
Washington but I called our local farm supply (Cenex) and they have it 
for $17.99 per gallon. That's getting reasonable and I may find a lower 
price yet.

Thanks again


On 7/23/2011 10:30 AM, NeonJohn wrote:
> On 07/23/2011 01:14 PM, Charles Black wrote:
>> Hi,
>> The traditional oil for standard resistors and oil baths is Mineral Oil.
>> The cheapest source of Mineral Oil USP  for small quantities is out
>> local grocery store at about $5.50 per pint. It is a highly purified
>> paraffin oil. If you need a large quantity then check out Exxon Marcol
>> 72 which is available for about $12 per liter from Measurements
>> International. I am trying to find a much better price since I could
>> potentially use 157 liters if I am able to get a used bath that I know of.
> Assuming from your address that you're in the US, check out Tractor
> Supply.  They have USP mineral oil for about $12 a gallon.  Sold as a
> livestock laxative.  I use a lot of it in my high voltage endeavors.
> John

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