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ARROWSMITH
339

master to his slave was so unconscious, and Sondelius, for all his Pickerbaughian love of sensationalism, cared so little about mastery or credit, that neither of them considered that there had been a change. They borrowed cigarettes from each other; they went out at the most improbable hours to have flap-jacks and coffee at an all-night lunch; and together they handled test-tubes charged with death.