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Scientists and technicians gather in the Geophysical Laboratory aboard the D/V Glomar Challenger (ship) during Leg 51 of Image Processor for Optical Data/Deep Sea Drilling Project. They look over data that was produced by the geophysical laboratory equipment: (equipment from left to right) Depth Recorder, Magnetometer Recorder, Satellite Navigation and two Seismic Recorders for Air Gun Records. November, 1976.

Scientists and technicians gather in the Geophysical Laboratory aboard the D/V Glomar Challenger (ship) during Leg 51 of I...