Finding aid for the ECP records

Correspondence, memos, reports, patents, contracts, operational guides, blueprints, punch cards, wiring drawings and diagrams that pertain to the ECP, computer science and some of the Engineers on the project; logbooks of meteorological studies done on the Institute Computer and other logbooks that contain memory notes, engineering and general arithmetic logs for the Computer; one legal-sized folder of ECP employee agreements; oversized maps and blueprints.