2018-11-122018-11-121957-02-18https://hdl.handle.net/2152.3/10661Daily Log dated February 18, 1957 describing research processes and activities for the ROFEI.Dr. William ThorntonresearchROFEIRadar Optic Firing Error IndicatorDaily LogROFEI_PreNASA_DailyLog_02.18.57