Summary report no. 20, third quarter, 1949
Project Whirlwind Research Staff
In-depth review of Project Whirlwind in the third quarter of 1949.
Includes: foreword; quarterly review, summary schedule July 1949-June 1950; system engineering, installation and testing of WWI, Whirlwind I operation with control and test storage; circuits and components, five-digit multiplier, vacuum tube life, and failures of components in Whirlwind I; electrostatic storage, tube program, reliability tester, and development of storage-tube circuits; input-output, reader-recorder, design of display equipment, design and modification of teletype; mathematics, coding and applications, multiple-register programming, coding of test programs, number of electrostatic storage registers in WWI, optimum spot numbering system for interim WWI storage tubes, and study of non-linear servomechanisms with the aid of an automatic digital computer; appendix, visitors, reports and publications.Includes summary table of Whirlwind I schedules.