FILENAMES:

furnace.jpg
furnace-control.jpg

DESCRIPTION:

These are pictures of a homemade furnace and controller. 
Posted by Tim Kallam <TLKALLAM8@aol.com>. Tim provided 
the following description:

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<webmaster note - culled from rec.crafts.metalworking>
<webmaster note - files renamed to group together>

Here is a photo of a Fuzzy logic controler and a solid state 
relay. The top number is the temp.inside the oven. The bottom 
number is the set point temp. When the top number reaches the 
bottom number it will hold it there.

http://metalworking.com/dropbox/Controler.JPG  

This next photo is a part of o-1 tool steel at 1750 deg.  

http://metalworking.com/dropbox/furance.jpg