Summary report no. 5, February 1948

Includes: foreword, Project Whirlwind, the Whirlwind computers, and reports; Whirlwind I layout and construction; project staff, new staff members; visitors; visits; time schedules; the effects on computing speed of access time, pulse repetition frequency, and register length; coding for simulation; storage, tubes, read-out circuits, and deflection circuits; power supplies; standard voltages and tubes for WWI, voltages, and tubes; appendix, reports and publications.Includes summary table of Whirlwind I schedules.In-depth review of Project Whirlwind in February 1948