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THE INVALID CHAIR in which the old man had been found dead occupied a place under the stairs, and to Dick's surprise the detective gave instructions to have it taken into the front room study. Surefoot had always had an uncomfortable feeling that he had not paid sufficient attention to the chair. What he had learned in the past few days made a further examination essential.
Immediately opposite the door of the study there was an alcove in the wall of the passage, and he saw now that this served a useful purpose.