Browsing Project Whirlwind by Creator "Mayer, Rollin P."

Now showing items 1-20 of 34

    • Block Diagrams: Memory Address Register and Memory Buffer Register 

      Mayer, Rollin P.; Papian, William N. (MIT Digital Computer Laboratory, 1953-04-27)
      This note is meant to satisfy item 1 (General Description of Function Needed) of the WWII Time Schedule for this subject.

    • Design and Construction Schedule, WWII Prototype 

      Kromer, A. P.; Mayer, Rollin P.; Taylor, Norman H. (MIT Digital Computer Laboratory, 1952-12-11)
      The present schedule for the development of the first prototype model of WWII calls for the urgent decisions concerning specifications and block diagrams to be made early in 1953 so that time will be available to procure, ...

    • EPSCOM Biweekly Report for 1 June 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-06-07)
      A summary of EPSCOM program activity is included along with reports on several programs. One new programmer, Marilyn Lynch (BTL), has joined EPSCOM bringing the EPSCOM force to 40 people.

    • EPSCOM Biweekly Report for 15 June 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-06-20)
      The EPSCOM force still stands at 40 people. A summary chart and schedule is included along with reports from programmers..

    • EPSCOM Biweekly Report for 18 May 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-06-05)
      EPSCOM now includes 39 people. A report on most of the EPSCOM programs is given.

    • EPSCOM Biweekly Report for 20 April 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-04-27)
      EPSCOM, now Group 66, with 37 people including a new secretary at Murphy Hospital, is being reorganized into 3 subsections.

    • EPSCOM Biweekly Report for 4 May 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-05-10)
      EPSCOM now includes 38 people. A chart showing most of the EPSCOM programs includes scheduling information.

    • EPSCOM Biweekly Report for 6 April 1956 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1956-04-09)
      EPSCOM manpower now stands at 35 people. Progress on all programs is satisfactory.

    • Group 62 Section Leaders Meeting - September 7, 1954 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1954-09-17)
      Portions of Project High have been reorganized. Assembly and test of XD-1 is progressing very well. The Charactron is being tested with MTC.

    • Group 62 Section Leaders Meeting-- AN/FSQ-7 Equipment Design Program 

      Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1953-10-13)
      Two situations urgently need attention at the present time. The vacuum tube count for a central has become rather large, and every effort should be made to see what can be done to reduce the count. The space required for ...

    • The Mirror: A Proposed Simplified Symbol for Magnetic Circuits 

      Mayer, Rollin P. (MIT Digital Computer Laboratory, 1952-08-14)
      A coil can be wound on a magnetic core in one of only two directions. There are several dot-conventions which can bo used to indicate which direction is desired. A simpler symbol, which is quicker to draw and easier to ...

    • One One or the Other 

      Mayer, Rollin P.; Papian, William N. (Lincoln Laboratory - Division 6, 1954-05-28)
      Memorandum on notation for describing binary states without ambiguity.

    • Project Grind Meeting of July 1, 1953 (Fifth Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-07-06)
      This meeting concerned crosstelling, output drums, output links, digital information display, maintenance console and mechanical design. Details on the output links must be decided soon because many people outside of the ...

    • Project Grind Meeting of July 15, 1953 (Seventh Day) 

      Kromer, A. P.; Mayer, Rollin P. (Lincoln Laboratory - Division 6, 1953-08-13)
      Topics discussed at this meeting were mapper subcontracts, cross-telling, review of the drums, card and paper tape machines, input counters, manual inputs, and power supplies. It was generally agreed that paper tape will ...

    • Project Grind Meeting of July 2, 1953 (Sixth Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-07-08)
      This meeting concerned standard circuits and the action of the standards committee. Four tube types were definitely approved and it was decided that O.1µsec pules will be used wherever possible in the system. It was generally ...

    • Project Grind Meeting of June 24, 1953 (First Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-06-29)
      At this meeting slowed down video inputs, video mappers, and slowed down video input registers were discussed. A general description for the input registers was agreed upon.

    • Project Grind Meeting of June 25, 1953 (Second Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-06-29)
      At this meeting marginal checking, power supplies and magnetic memory were discussed. It was generally agreed that more work remains to be done on marginal checking and power supplies before decisions can be made, and that ...

    • Project Grind Meeting of June 26, 1953 (Third Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-06-29)
      The magnetic drums were discussed at this meeting. There will be 6 fields per physical drum, and probably five physical drums per computer.

    • Project Grind Meeting of June 30, 1953 (Fourth Day) 

      Kromer, A. P.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1953-07-06)
      The output display system and the manual input buffer drum were discussed at this meeting. A display rate of once every 2 seconds was tentatively accepted. There will be 16 words per track,** allowing for a display of ...

    • Time Schedule for WWII Computer 

      Taylor, Norman H.; Mayer, Rollin P. (MIT Digital Computer Laboratory, 1952-03-25)
      Memorandum outlining the plan to obtain a WWII computer in the minimum amount of time and gives the dates on which certain decisions must be reached.