2018-11-122018-11-121957-02-19https://hdl.handle.net/2152.3/10662Daily Log dated February 19, 1957 describing research processes and activities for the ROFEI.Dr. William ThorntonSpace MedicineRadar Optic Firing Error IndicatorROFEIresearchDaily LogROFEI_PreNASA_DailyLog_02.19.57