Closeup of some of the instruments on the control panel for the Alcator C tokamak at the MIT Plasma Fusion Center. Circa 1982–1983. Photo taken by DOE photographer Peter Schweitzer, who was on site to document Alcator C operations. Slide scanned to JPG by MIT PSFC outreach coordinator Paul Rivenberg in January 2011. Converted to JPG and uploaded to Wikimedia Commons by Geoff Olynyk, March 20, 2012.
<p>Oscilliscope traces:
1)    ?   
2) plasma current (drum channel 105; 125 kA/volt)
3) Te ECE?
</p>
4) central soft x-ray (drum channel 72)
Peter Schweitzer, U.S. DOE
1982–1983 (approximate)
Paul Rivenberg, MIT PSFC