Press Photo Technologist Jerry Nelson sets up the HP Correlator

Technologist Jerry Nelson sets up the HP Correlator in his cramped quarters below the 36 inch Crossley Telescope in preparation for a night of measuring signals from the Crab Nebula Pulsar, and searching for signals from Supernova M101.

Photo measures 8 x 10.25 inches.

Photo is dated --0000.

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