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Health and Safety Laboratory Fallout Program Quarterly Summary Report: September 1, 1961 - December 1, 1961

Description: Report that summarizes multiple laboratories' reports on global fallout deposition. Reports include data on Strontium-90 deposition recorded by the Health and Safety Laboratory, data from other laboratories, related interpretive reports, and recent publications related to fallout.
Date: December 30, 1961
Creator: Hardy, Edward P., Jr.; Rivera, Joseph & Frankel, Robert
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Preselect Address Unit for the IBM 1620 Computer

Description: From Abstract: "A device is described which permits the user to stop an IBM 1620 Computer at any preselected instruction address to aid in program debugging. Computer timing considerations are discussed and a circuit description is provided."
Date: December 1963
Creator: Frey, J. J.; Graveson, R. T. & Cassidy, M. E.
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