Browsing Project Whirlwind Reports by Title

Now showing items 1269-1288 of 1719

    • MTC Meeting of July 25, 1952 

      Everett, R. R.; Hosier, W. A. (MIT Digital Computer Laboratory, 1952-07-28)
      Decisions and progress relevant to the proposed Memory Test Computer (MTC) are summarized for distribution to those interested, and to trace development of the computer.

    • MTC Meeting of September 9, 1952 

      Everett, R. R.; Hosier, W. A. (MIT Digital Computer Laboratory, 1952-09-10)
      Decisions and progress relevant to the proposed Memory Test Computer (MTC) are summarized for distribution to those interested, and to trace development of the computer.

    • MTC Power Supply Meeting of August 11, 1952 

      Farmer, R.; Smead, H. (MIT Digital Computer Laboratory, 1952-08-12)
      The final decision which has been reached on the type of power supplies to be used in the Memory Test Computer was discussed.

    • MTC Tests on Magnetic Memory - Automatic Memory Display 

      Anderson, Harlan E. (MIT Digital Computer Laboratory, 1953-05-05)
      This is the first of a series of M-notes describing procedures, programs, and results of MTC tests on the magnetic memory. Automatic memory display is a simple test procedure for reading, rewriting, and displaying the ...

    • MTC Tests on Magnetic Memory - Load and Check Program for All Ones or Zeroes 

      Pfaff, R. J. (MIT Digital Computer Laboratory, 1953-05-05)
      Memorandum describing a memory checking program for the Memory Test Computer.

    • Multi-Coordinate Selection Systems for Magnetic-Core Storage 

      DiNolfo, R. S. (Lincoln Laboratory - Division 6, 1954-08)
      For many computational applications there is a need for a high-speed digital computer with a large internal memory capacity. The search for a reliable random-access memory with a fast information-access time brought about ...

    • Multi-Coordinate Selection Systems for Magnetic-core Storage 

      DiNolfo, Richard S. (MIT Department of Electrical Engineering, 1954-01-19)
      Master's Thesis Proposal: Multi-Coordinate Selection Systems for Magnetic-core Storage.

    • A Multi-position Magnetic Switch and its Incorporation Into a Magnetic Memory 

      Olsen, K. H. (MIT Department of Electrical Engineering, 1951-09-21)
      Master's Thesis Proposal: A Multi-position Magnetic Switch and its Incorporation Into a Magnetic Memory.

    • New Funds Under Contract AF 19(122)-458, DIC 6889 

      Fahnestock, Harris (MIT Servomechanisms Laboratory - ECD, 1951-05-07)
      Administrative memorandum from Electronic Computer Division research teams on funding account policies.

    • New Metallic Cores from Magnetic Metals 

      Hughes, A. D. (MIT Digital Computer Laboratory, 1953-01-02)
      A preliminary test on 12, 1/4-mil molybdenum permalloy cores from Magnetic Metals indicates that signal ratios are unsatisfactory for memory application. Disturbed-one-to-disturbed-tero ratio is about 35; disturbed-one-t ...

    • The noise problem in the coincident-current memory matrix 

      Childress, J. D. (Lincoln Laboratory - Division 6, 1956-02-13)
      Magnetic ferrites which have square hysteresis loops are being used as memory elements in high-speed digital computers. The limiting factor in memory reliability is the noise generated by the magnetic cores which are ...

    • A Non-destructive Read System For Magnetic Cores 

      Buck, Dudley A. (MIT Digital Computer Laboratory, 1952-03-24)
      A non-destructive read system for magnetic cores is proposed which involves a quadrature field and which promises to be fast.

    • Non-Staff Organization Chart 

      Boyd, Hugh R. (MIT Servomechanisms Laboratory, 1948-06-16)
      Administrative memorandum from project Whirlwind research teams on project organization.

    • Non-Staff Organization Chart 

      Boyd, Hugh R. (MIT Servomechanisms Laboratory, 1948-10-20)
      Administrative memorandum from project Whirlwind research teams on project organization.

    • Nondestructive Sensing of Magnetic Cores 

      Buck, Dudley A.; Frank, W. I. (MIT Digital Computer Laboratory, 1952-03-24)
      A "Nondestructive" method for sensing the information state of magnetic-memory cores is under development. This new method involves the use of a quadrature magnetic field which, when pulsed, produces an output voltage. The ...

    • Notes for RDB Committee Meeting 

      Forrester, Jay W. (MIT Servomechanisms Laboratory, 1949-08-29)
      Report containing notes on Project Whirlwind for an RDB Committee Meeting, including project history, project description, project status, future plans, administration, and related M.I.T. work.

    • Notes on systems planning meeting 14 March 1955, 0930E 

      Mazza, J. V. (Lincoln Laboratory - Division 6, 1955-03-16)
      Minutes of a systems planning meeting discussing display status, IBM organization changes, XD-1 schedules, and FSQ timing.

    • Notes on systems planning meeting of March 7, 1955 at 0930E 

      Mazza, J. V. (Lincoln Laboratory - Division 6, 1955-03-07)
      Minutes of systems planning meeting discussing report on FSQ-8, schedules for ancillary equipment in the experimental subsector, and SAGE performance goals.

    • Notes on Visit to Moore School, University of Pennsylvania on September 9, 1947 

      Rich, E. S. (MIT Servomechanisms Laboratory, 1947-09-09)
      Memorandum on a visit to Moore School, University of Pennsylvania on September 9, 1947. Topics include the purpose of the visit, magnetic recording, and mercury delay lines.

    • Nucleation of Domains of Reverse Magnetization and Switching Characteristics of Magnetic Materials 

      Goodenough, John B.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-03-09)
      The critical requirements for a ferromagnetic memory core are reviewed. Domains of reverse magnetization must form and grow within a core if its induction is to be reversed. The nature of the nucleation centers for these ...