Browsing Project Whirlwind Reports by Creator "Brown, David R."

Now showing items 1-20 of 141

    • Basis for Release of Ferrite-Memory-Core Specifications 

      Brown, David R. (Lincoln Laboratory - Division 6, 1954-06-17)
      MIT proposes approval of release of IBM engineering specifications No. 3043000, engineering change No. 11183, for the ferrite memory core to facilitate procurement negotiations with General Ceramics Corp. and the development ...

    • A Comparison Between Square-Loop Metals and Ferrites for High-Speed Pulsed Operation 

      Brown, David R.; Buck, Dudley A.; Menyuk, Norman (Lincoln Laboratory - Division 6, 1954-02-04)
      Metals and ferrites with rectangular hysteresis loops are used in magnetic amplifiers, switching networks, and data-storage systems. In these applications, the large-signal pulse response is most important. To reduce the ...

    • Discussion of 7AK7 Processing, Emporium, Pa., June 15, 1948 

      Brown, David R. (MIT Servomechanisms Laboratory, 1948-06-18)
      Memorandum on a discussion by project Whirlwind I research teams on 7AK7 production at the Sylvania Radio-Tube Plant at Emporium, Pa., June 1t, 1948.

    • Extension of subcontract no. 49 

      Brown, David R. (Lincoln Laboratory - Division 6, 1955-07-06)
      A one-year extension of Subcontract No. 49 with the Philco Corporation was recommmended to (1) continue research aimed at establishing the reliability of the surface-barrier transistor and improving its performance in ...

    • Ferrites Speed Digital Computers 

      Brown, David R.; Albers-Schoenberg, Ernst (MIT Digital Computer Laboratory, 2009-06-10)
      Memory units and matrix switches using new square-loop ferrite material increase speed and reliability of digital computers. Storage units with arbitrary-access and read-out time of five microseconds or less makes ...

    • Group 63 approval committee meeting, May 31, 1955 

      Brown, David R. (Lincoln Laboratory - Division 6, 1955-06-01)
      Minutes of a Group 63 approval committee meeting discussing emitter-input gates, symbols, and the next meeting.

    • Group leaders' meeting, April 11, 1955 

      Brown, David R. (Lincoln Laboratory - Division 6, 1955-04-14)
      Minutes of weekly group leader meeting discussing Joint Services Advisory Committee, April 12 ADES meeting, personnel handbook, space, responsibilities for the SAGE system, Philco, General Ceramics, MTC, release of information ...

    • Group leaders' meeting, April 13, 1953 

      Brown, David R. (MIT Digital Computer Laboratory, 1953-04-13)
      Minutes of weekly group leader meeting discussing revision of biweekly report, report on draft status of staff members, and staff salary review.

    • Group leaders' meeting, April 15, 1952 

      Brown, David R. (MIT Digital Computer Laboratory, 1952-04-14)
      Minutes of weekly group leader meeting discussing Whittemore space, block diagram meetings, Barta space, Lincoln finance, magnetic drums, and recruiting.

    • Group leaders' meeting, April 18, 1955 

      Brown, David R. (Lincoln Laboratory - Division 6, 1955-04-21)
      Minutes of weekly group leader meeting discussing space, salary review, IBM engineering support program, second source for AN/FSQ-7 tubes.

    • Group leaders' meeting, April 20, 1954 

      Brown, David R. (Lincoln Laboratory - Division 6, 1954-04-22)
      Minutes of weekly group leader meeting discussing Sprague's report on air defense, meeting at Colorado Springs during week of April 12, building F, April 15 meeting on army 414 program, planning for the duplex central, IBM ...

    • Group leaders' meeting, April 21, 1952 

      Brown, David R. (MIT Digital Computer Laboratory, 1952-04-22)
      Minutes of weekly group leader meeting discussing test equipment, administrative forms and memoranda, and indoctrination program.

    • Group leaders' meeting, April 26, 1954 

      Brown, David R. (Lincoln Laboratory - Division 6, 1954-04-30)
      Minutes of weekly group leader meeting discussing progress report by military liaison office, extraordinary expense budget, IBM participation in installation of FSQ-7 (XD-1), and staff salary review.

    • Group leaders' meeting, April 27, 1953 

      Brown, David R. (MIT Digital Computer Laboratory, 1953-04-28)
      Minutes of weekly group leader meeting discussing change in time for next meeting, staff salary review, visitors and building alterations, professional societies, patents, procurement of magnetic materials, and motion pictures.

    • Group leaders' meeting, April 28, 1952 

      Brown, David R. (MIT Digital Computer Laboratory, 1952-04-30)
      Minutes of weekly group leader meeting discussing new staff and Project Lincoln progress report.

    • Group leaders' meeting, April 4, 1955 

      Brown, David R. (Lincoln Laboratory - Division 6, 1955-04-07)
      Minutes of weekly group leader meeting discussing Radar Coordinat:on Committee, Joint Services Advisory Committee, April 7 meeting on SAGE programming, space, April 6 Coordination Committee meeting, Colonel LaMontagna's ...

    • Group leaders' meeting, April 6, 1953 

      Brown, David R. (MIT Digital Computer Laboratory, 1953-04-08)
      Minutes of weekly group leader meeting discussing draft situation, status of WWII decisions, staff salary reviews, and visit on May 4 by Watson

    • Group leaders' meeting, April 7, 1952 

      Brown, David R. (MIT Digital Computer Laboratory, 1952-04-09)
      Minutes of weekly group leader meeting discussing "time schedule for Whirlwind II computer."

    • Group leaders' meeting, August 10, 1953 

      Brown, David R. (Lincoln Laboratory - Division 6, 1953-08-11)
      Minutes of weekly group leader meeting discussing personnel estimate for fiscal 1954, research assistants, and magnetic-core memory for WWI.

    • Group leaders' meeting, August 11, 1952 

      Brown, David R. (MIT Digital Computer Laboratory, 1952-08-11)
      Minutes of weekly group leader meeting discussing assigned technicians, Philco contract, Dr. Lou Gold, test equipment, machine shop, plug-in units, crystal rectifiers, and Scientific and Engineering Applications Group