Top: McLean Tonometer, Mfg. by E.B. Meyrowitz, Surgical Instument Co., N.Y., c.1890.
Donated by: Henry Birge, M.D.
Right: Geneva Lens Measure; Mfg. by E.B. Meyrowitz, c. 1891.
Left: Sphygmometer, Devised by John Bertrume Stein, M.D., N.Y. (an instrument used to measure the force and frequency of the arterial pulse).
Donated by: Albert L. Larson, M.D.