Muffle Box Furnace
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Notes
Plug in to turn on, set the temperature to set the temperature. The furnace is able to get up to 1500C/2700F.
You probably shouldn't put things in the furnace that have any potential to spill or damage the fire bricks.
Todo
It'd be nice if the furnace was on a cart with casters instead of a furniture dolly. Welded square tube with a shelf for the controller would be fine.
Safety
The switches and power indicator light on the front panel are not connected. Unplug the unit before opening the door. There are no safety interlocks on the door and there are exposed conductors in the chamber which could potentially be lethal.
Documentation
https://wiki.pumpingstationone.org/File:Lindberg_furnace_found_paperwork.pdf
https://wiki.pumpingstationone.org/File:PID_Temp_Control_Manual_2216e.pdf
