Small Bacteriological Laboratory

On verso: Physiology Laboratory

Heart beat [sic] and Respiratory Movements recorded

Measuring heartbeat and respitory movements on a kymograph (source: Not Just Any Medical School by Horace W. Davenport)

Voluntary Muscular work recorded and Measured

The student is fatiguing the muscles of his left hand ... (source: Physiology at Michigan, 1850-1923 by Horace W. Davenport)