Lincoln Laboratory. Division 6

Scope and Contents Division 6 Memo M-3851-1, Supplement 1. Supplement to the second master reference list issued by the Systems Office, which includes only concurred changes, revisions, and clarifications to XD-1 specifications. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular document was to have been...

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Division 6 Memo M-3851. List of documents that form the equipment specifications for XD-1. Each document provides the following information: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; a Lincoln Laboratory Division 6 document room file number; and a "required" column indicating the date when the particular document is to have been implemented.

Scope and Contents Division 6 Memo M-3851-2. Memorandum containing all of the concurred specifications which Lincoln Laboratory recommends for XD-1 design as of 9 March 1956. Supercedes 6M-3851-1, and supplements 1, 2, and 3. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular document was to have been...

Scope and Contents Division 6 Memo M-3851-4. Compilation of all the active technical specification documents which received Lincoln-IBM concurrence for AN/FSQ-7, XD-1 design. The list is a revision of the previous list, 6M-3851-3 and its supplements, and was brought up to date as of 17 April 1957. Each document includes: IBM and/or MIT document numbers; title; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a coded "status and/or required"...

Scope and Contents Division 6 Memo M-3851-1, Supplement 2. Second supplement to 6M-3851-1, master reference list, dated 11 October 1955, issued by the Systems Office. Includes only concurred changes, revisions, and clarifications to XD-1 specifications. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular...

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Division 6 Memo M-3851-2, Correction #1. Memo correcting an error appearing in 6M-3851-2, "master reference list of equipment specifications for XD-1.".

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Division 6 Memo M-3851-3, Supplement #1. Supplement to 6M-3851-3 listing all the technical specifications which have received Lincoln-IBM concurrence for XD-1 from 31 August 1956 through 5 October 1956.

Scope and Contents Division 6 Memo M-3851-3. Compilation of all the active technical specification documents which received Lincoln-IBM concurrence for AN/FSQ-7, XD-1 design. The list is a revision of the previous list, 6M-3851-2 and its supplement, and was brought up to date as of 17 August 1956. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column...

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Division 6 Memo M-3851-1. Master reference list issued by the Systems Office, which includes all the revisions and clarifications spelled out in the IBM-SO concurrence document P-228. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular document was to have been implemented.

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Division 6 Memo M-3851-6. Compilation of all the active technical specification documents which received Lincoln-IBM concurrence for AN/FSQ-7 (XD-1) design. The list is a revision of the previous list, 6M-3851-5, and was brought up to date as of 28 March 1958. Each document includes: IBM and/or MIT document numbers; title; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and coded "status and/or required" column.

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Division 6 Memo M-3851-2, Supplement #1. Supplement containing all specifications which received concurrence from 9 March 1956 through 23 April 1956. Each document includes: IBM and/or MIT document numbers; title, author, and date; date of IBM-MIT concurrence and/or Lincoln release; Lincoln Laboratory Division VI Document Room file number; and a "required" column indicating the date when a particular document was to have been implemented.

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MIT DIC 6889. Project Whirlwind Memo M-2414. To help settle some of the questions raised by the prospect of having a 4096-register magnetic memory in MTC (See Memorandum M-2361), this meeting of MTC personnel and programmer was arranged. Opinion was heavily in favor of a bank-switching instruction which could include drum fields as banks. Certain other features desirable from a programming standpoint were also brought up.

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Division 6 Limited Memo 6L-299. Minutes of weekly group leader meeting discussing briefing and organization changes. Document is missing cover sheet (p.1). Memorandum likely records the minutes of the group leaders' meeting held 11 March 1957.

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Division 6 Limited Memo 6L-308. Minutes of weekly group leader meeting discussing educational courses, computer language standardization, staff recruiting, and suggested recruiting improvements. Document is missing cover sheet (p.1). Memorandum likely records the minutes of the group leaders' meeting held 10 June 1957.

Scope and Contents Division 6 Memo M-4137. The heating of a memory core caused by high frequency switching has been studied experimentally. For a switching frequency of 4OO kilocycles (the maximum frequency possible in a coincident-current two-to-one selection memory of 5 microsecond cycle time) the temperature of the memory core (DCL material) may rise more than 57 C above ambient in still air or 34 C in an oil bath. At 200 kilocycles (the maximum reasonable switching frequency in the memory) the temperature...

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Division 6 Memo M-3390. Test margins taken on two 64x64 planes indicate that DCL-2-720 cores are superior to S-1 cores. Includes: a description of the tests and charts.

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Project Whirlwind Memo M-2363. The 4th Meeting of the MIT-IBM Central Standards Committee was held Friday, Aug. 14, 1953 at MIT. IBM Representatives were N. Edwards and J. Goetz. MIT Representatives were C. Watt, K. Olsen, and W. Papian.

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Division 6 Memo M-3433, supplement #1. Addendum to the minutes of the concurrence meeting held 5 April 1955 adding specifications that were not reported in Division 6 Memo M-3433.

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Division 6 Memo M-3433. Minutes of the concurrence meeting discussing auxiliary drum specifications and outputs specifications. Present: (MIT) J. F. Jacobs, R. P. Mayer, N. T. Jones, B. E. Morriss, H. K. Rising; (IBM) B. Housman, G. W. Hallgren, W. A. Hunt, H. White, D. C. Ross, H. White, D. C. Rising.

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Project Whirlwind Memo M-3056. At a meeting held between representatives of Groups 61 and 64, use of WWI's magnetic tape and camera facilities by programmers and computer operators was discussed. Group 61 agreed to correct several deficiencies in its use of magnetic tapes, particularly when tapes are used for delayed printout. Both Groups will investigate means of improving the camera facilities.

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Division 6 Memo M-3434. Minutes of an IBM-Lincoln concurrence meeting discussing long-range radar input word layout, input channel switching, crosstelling inputs, and outputs. Present: (IBM) D. C. Ross, H. J. White; (MIT) A. D. Hughes, B. E. Morriss, H. K. Rising, A. M. Werlin.

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Division 6 Memo M-3513. Minutes of an IBM-MIT concurrence meeting discussing two documents: an equipment list for AN/FSQ-7 Direction Center and specifications for the AN/FSQ-7 auxiliary console for XD-1, XD-2, and the production machine; as well as a review of the arithmetic compare proposal. Present: (IBM) B. Housman, R. W. Lowrie, R. C. Marden, D. C. Ross, C. E. Walston; (MIT) J. Giordano, N. T. Jones, R. P. Mayer, B. E. Morriss.

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Division 6 Memo M-3516. Minutes of a SAGE experimental subsector planning approval committee meeting discussing operational mode for Bath and Brunswick, Maine; ARDC personnel required; weapons; radar orientation; and telephone facility cost.

Scope and Contents Division 6 Memo M-3827. Minutes of a section leader's meeting discussing 700 study, plans for duplex standby, equipment changes in FSQ-7, secretaries, S and EC Group - cooperation on utility programs, report on the dissection of SAGE test activity, schedules for operational and mathematical specs, air traffic control, reduction of XD-1 time, air defense programming course, SAGE familiarization course - October 1955, and space coordinator for Group 61. Persons present: J. A. Arnow, H. D....

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Division 6 Memo M-4199. Minutes of the IBM-DCO concurrent meeting discussing production and prototype. Present: (MIT) J. D. Crane, R. D. Buzzard, J. Giordano, R. R. Shorey, J. A. O'Brien; (IBM) W. S. Squire, R. C. Marden, J. J. Coughlin, F. A. Behnke, P. Longo.

Scope and Contents Division 6 Memo M-4243. Minutes of the IBM-DCO Concurrence meeting no.56 held at Lincoln Laboratory discussing the XD-1, XD-2 crosstelling; DC-CC input switching; D-32-4; D-35-3; S-30; alternate writing surface for CP DD desks; normal area assignment switch; AN/FSQ-7, console equipment and label layouts memoranda; magnetic tape reliability; and TIR's. Present: (IBM) R. A. Imm, J. J. Coughlin, R. J. Paddock, F. A. Behnke, W. S. Squire, P. Longo; (MIT) J. D. Crane, R. H. Gerhardt, J. Giordano,...

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Division 6 Memo M-4288. Minutes of the IBM-DCO Concurrence meeting no.58 held at Lincoln Laboratory discussing P-265, D-32-4, and light gun simulators. Present: (MIT) J. D. Crane, J. Giordano; (IBM) R. A. Imm, F. A. Behnke.

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Division 6 Memo M-4312. Minutes of the IBM-DCO Concurrence meeting no.60 held at Lincoln Laboratory discussing duplex items and prototype items. Present: (IBM) F. A. Behnke, R. A. Imm, R. C. Eisele, M. C. Portanova; (MIT) J. D. Crane, E. L. Smiley, J. Giordano; (WE-ADES) J. W. Catherine.

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Division 6 Memo M-4348. Minutes of the IBM-DCO Concurrence meeting no.62 held at Lincoln Laboratory discussing duplex , prototype, and previous minutes. Present: (IBM) F. A. Behnke, R. A. Imm, R. Eisele, W. S. Squire; (MIT) J. D. Crane, J. Giordano, E. L. Smiley.

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Division 6 Memo M-4348-c-1. Correction of Division 6 Memo M-4348, noting that the title should read "17 May 1956.".