For some 40 year old product brochures on precision temperature
measurement and control, see http://kauko.hallikainen.org/hi/brochures/ .

Harold

>
>
> On Tue, 18 Jan 2005, Spehro Pefhany wrote:
>
>> If you check with a really accurate thermometer, you may be surprised at
>> what
>> temperature you read in boiling water.
>
> It doesn't even have to be accurate. 5 degrees C is a normal gradient in
> a beaker boiling over a bunsen burner.
>
> If you want to build something that is reasonably trustworthy look at
> how calorimeters are built (and do not skip the stirrer and *use* it).
>
> Peter


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