Pumping bot examined. Students at Georgetown University Hospital gather around Chester Antos, another student, while they examine a newly devised Emerson suction pressure apparatus used to stimulate circulation in legs and feet when certain diseases threaten to neccessitate amputations. The "boot", invented by Dr. Louis A. Hermann of Cincinnati, induces circulation by alternately increasing and decreasing air pressure. It is considered a consequential physiological development by doctors who examined it here, 11/12/35