Thornton, William E. (William Edgar), 1929-2016-03-312016-03-311972http://hdl.handle.net/2152.3/620Image depicting the method of measuring SMEAT crew members' bodies in order to determine the changes in their center of gravity and center of mass during weightlessness.Skylab Program.Space medicine.Weightlessness--Physiological effect.Space flight--Physiological effect.Image