Sid Schulman, the first mate aboard the D/V Glomar Challenger (ship) using a sextant during the Deep Sea Drilling Project. A sextant is an instrument generally used to measure the altitude of a celestial object above the horizon. 1977.

• 1977

This digital image is a surrogate of an item from the SIO Deep Sea Drilling Project Records, 1961-1987

• Deep Sea Drilling Project

• Schulman, Sid

• Scientific Expeditions

• image

• UC Regents

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2020-10-26