2018-02-132018-02-131980-05-23http://hdl.handle.net/2152.3/5682This image reflects a letter written by Bruce Del Mar to William E. Thornton regarding the Pressurometer III and agreeing on a plan for compensation for the research.Bruce Del MarWilliam ThorntonletterPressurometer IIICompensationDel Mar AvionicsJohn WallaceSpace MedicineUTMBAmbulatoryBlood Pressure MonitorBlood Pressure Recorder