Dr. Dock's clinic - Hospital Amphitheatre - Jan. 1898

George Dock (with percussion hammer) and James Arneill (behind Dock) teaching in amphitheather of Catherine Street Hospital (source: Not Just Any Medical School by Horace W. Davenport). Handwritten on mount: G. M. Livingston. Ann Arbor, MI. On verso: George Dock (Pathology)