Re:(Better than) Heating Tape?

[herbgottlieb@juno.com (Herbert H Gottlieb)]

Thanks Bill!  

This is an EXCELLENT idea. I wish that I had thought of it myself. 
I'll try it and get back to you with my data.

Herb

On Thu, 08 Oct 1998 14:08:00 -0500 Mary and Bill Allsopp
<callsopp@worldnet.att.net> writes:
> At the cooling end of the experiment you might consider using a can 
> of cool spray as sold by electronic supply houses.  
>
> Radio Shack sells a product that its add says "cools below -62F".
>
> Once the can's cooling power is calibrated against a standard, known
> bi-metallic strip, the deflection between room temp and -62F might be
> all that is needed to make a decent coefficient of expansion 
> experiment.
> No extra heat, no residue from the spray, and it might even work.
>
> Radio Shack's part number is 64-4321. It cost $6.99, which I think is
> awful, but if it works, the same sort of product should be available 
> for less at a wholesale parts house, just a whole lot less convenient to

> get
> to.  
>
> Bill