Thornton, William M.D.2018-05-252018-05-25Unknownhttp://hdl.handle.net/2152.3/8929A document titled Preliminary Report on some aspects of a Non Gravimetric Method for Mass Determination.Dr. William ThorntonNon Gravimetric Method Mass DeterminationPreliminary ReportUSAFUnited States Air ForceresearchMMDmass measurement device