Summary report no. 21, fourth quarter, 1949
Project Whirlwind Research Staff
In-depth review of Project Whirlwind in the fourth quarter of 1949.
Includes: foreword; quarterly review (and abstract), summary schedule July 1949-June 1950; system engineering, installation and testing of WWI, test of storage digit prototype system; circuits and components, five-digit multiplier, vacuum tube life, component replacement in WWI, and decoupling networks for computer circuits; electrostatic storage, tube program, reliability tester, and storage-tube research; input-output, input-output control and reader-recorders; mathematics, coding and applications, display programs, storage of pulse-coded information, and a short guide to coding; appendix, visitors, reports and publications; and index of summary report series 1949.Includes summary table of Whirlwind I schedules.