Interior of plenum	Interior of plenum, including the cover	Vent tubes during assembly	Vent tubes with "frisbees" and springs	Vent tubes with the "frisbees" and springs removed (one spring is also shown)
Thermal sensors on the back of the mirror, overview	Thermal sensors on back of test sample. Frisbees are installed.	Thermal sensors on the front of the mirror	Wiring for the thermal sensors	Thermal sensors, anemometer and exhaust fan locations.
Overall view of test setup.	Heating the test sample. The Magnahelix and computer for recording temperature are in the background.	Test sample being cooled via fan #3.	Test sample during cooling, seen from above.