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Two researchers work on a control panel, 1970
Two researchers work on a control panel, 1970
Two researchers work on a control panel, 1970
Two researchers work on a control panel, 1970
Two researchers working with equipment, 1978
Two researchers working with equipment, 1978
Two researchers, 1973
Two researchers, 1973
Two runners silhouetted against trees and a building
Two runners silhouetted against trees and a building