1950 Press Photo Drs. William H. Sewell and William W.L. Glenn, mechanical heart

Pieces of a child's toy erector set, with its inexpensive electric motor, were used by Yale scientists, Drs. William H. Sewell and William W.L. Glenn, to devise a mechanical h…

Photo measures 7.25 x 9 inches.

Photo is dated 10/05/1950.

Photo back: