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Goal of this page Provide a dated list of major changes & updates vs-heathkit-ec-1-analog-computer.html#Architecture

2009

Nov14	added IBM Programmer Aptitude Test 120-6762-2 dated 1958 704 Core Memory w Switch Cores
June21	added SAGE, 4 part harmony :-))
May31	The IBM "ERA" IBM's Mainframe History - 45 Years of Evolution 1.22 megabytes, .pdf from Jud McCarthy
May20	Antique computers in the Movies and TV sent by Frank King - May 2009
Feb21	added GE-225 System Operator's Manual
Feb21	added Machine Methods of Accounting - use of IBM unit record equipment, copyright by IBM, 1935, 360 pages, segmented for easy downloading, very well done and intresting
Jan14	added Schematics and Manual for Heathkit ED-1

2008

Dec27	added Mac-vs-PC, Why did the PC win a log of e-mails
July 29	added LGP-30 Supplement from an LGP-30 Maintenance Manual on line from Germany
June 19	enhanced Movies-n-Sounds of Antique Computers
Feb 2	added 700SeriesTapeControlUnits

2007

Nov21	added Time-Lines, Problems - or Why is a "History of Computing" project so difficult?
Oct07	added Amdahl, Gene
June03	added General Electric Computer Department Pictures of the 2xx, 4xx, DN-30 systems
June03	added Information drawn from the "working life" of the WISC. by Charles W. McClure

2006

Dec12	added Images of IBM Product Announcements since about 1966
Aug12	added 305 RAMAC Manual of Operation - 150 pages 27 megabytes .pdf
July13	added G.E. 225 pictures from Queensland Museum, and my comments
Jun28	IBM 650 Practice Problems- Form 22-6215-2 - October 1956 - added IBM 650 RAMAC - Manual of Operation - Preliminary Edition" lent by LaFarr Stuart, note, a later edition than on bitsavers.org - placed here for timing of "355 RAMAC" operations - 4.6 megabytes - added IBM 650 Practice Problems, Additional Features - Form 22-6219-1 - October 1956 1.4 megabytes
Jun05	added RAMAC some images
May02	added IBM 011 Electric Punch Service Manual - .pdf 4.3 megabytes
May02	added IBM 077 Collator - Manual Of Instruction scanned by Randy Neff - .pdf 5.8 megabytes IBM 077 Collator Principles Of Operation scanned by Randy Neff - .pdf 10.0 megabytes
April24	added IBM - Transistor Theory - Form 223-6794 1959 .pdf 1.9 Megabytes
April09	added Movies-n-Sounds of Antique Computers.
Apr05	added GE-200 Series Operation Manual CPB-247C 8.7 Megabytes .pdf and GE-235 System Manual CPB-267 date 1963 7.8 Megabytes .pdf to On Line Documents
Mar06	added ERA 1101 - ERA1101 -ERA-1101 documents Harlan Snyder used to train on the machine in ?1950?
Feb18	added IBM 729 Customer Engineering Instruction Reference - 223-6988 a 15.5 megabyte .pdf file
Feb10	added Stories by Van Gardner
Feb03	added last 190 pages to GE-625/635 Programming Reference Manual
Jan01	IBM 706 - Williams Tube Memory an IBM manual used on the IBM 701

2005

Nov12	added On-Line Video of Past Events at Computer History Museum, Spotted by Karen Tucker
Aug01	added James Humberd's CDC 6600 sales slides.
May20	added IBM 029 Card Punch (Key Punch) Field Engineering Maintenance Manual
May14	added IBM RAMAC (Magnetic Disk Storage) to On-Line Documents - Technology and Links - Memory devices
May07	added Stories about the B5000 and People Who Were There by Richard Waychoff to On line docs
May06	added Archived media notes on: LINC, SAGE, Alto, Osborne, Punchcards, Busicom, ... and some great archived computer links spotted by Dag Spicer to Links to Virtual Computer Museums
Mar18	added IBM 603 - Accounting Machines - Electronic Multiplier Customer Engineering Manual of Instruction (This was the immediate predecessor of the IBM 604) IBM 1402 Card Read-Punch IBM Customer Engineering Manual Both of the above have their Table of Contents linked to the appropriate pages for much easier access. The "BACK" and "FORWARD" buttons of the Adobe Acrobat Reader are also active.
Mar11	added link to Gene Amdahl's PhD Thesis, WISC

2004

Dec17	addedComputer Characteristics Quarterly Adams Associates - 4th Quarter 1967 - 1st Quarter 1968 in PDF
Nov27	added Computer Characteristics Quarterly Adams Associates - First and Second Quarters 1967, now complete and in PDF linked from On-Line Documents - Computers available in era
Nov22	added ERMA made by General Electric for Bank of America
Oct16	added a link to "Making Electrons Count", an old MIT Whirlwind film
Oct07	added a link to Selectron Memory Tubes
Sep27	for a fascinating discussion of designer of the LGP-30, click Stanley P. Frankel, Unrecognized Genius
Jun14	added Munich Trip Report
Mar14	DEUCE - added SODA A Translation Routine for the DEUCE Computer - by R. C. Brigham and C. G. Bell

2003

Oct17	added images of hexadecimal coding sheets
Sep20	added Biographic section with COMPUTER - Bit Slices From a Life by Herbert R.J. Grosch
Aug26	new emulation of Dartmouth Time Sharing
Aug07	Added console picture to UNIVAC 494
Jul25	Added Index to Al Kossow's collection that I enhanced - 250 k bytes
Apr22	History of Computing Reprint Series revived at MIT PRESS
Feb15	added Other such as "Status of Dartmouth BASIC Time-sharing recreation"
Feb14	added A list of minicomputers attributed to Gordon Bell
Feb03	added labels for Cray Y-MP-EL and Cray Y-MP by Ron Mak
Jan06	added Honeywell Honeywell Multics DPS 8 based on information from Tom Van Vleck
Dec30	added Monroe LA Instructions - (I bought one of these machines - 10 keys wide :-))
Dec18	added Archival Concerns
Dec15	added Coincident Current Ferrite Core Memories by James R Jones. Interesting 1976 Byte Magazine article. Permission Requested
Nov25	added a short story Pioneer Business Programming
Sep17	added "Computing Before Computers" a book copyrighted in 1990, edited by William Aspray - .pdf format
Jul18	added CRAY-1 Hardware Reference Manual, first three chapters.
Jul14	added link to Design of a Computer The Control Data 6600 by J.E. Thornton. scanned (with permission) by Tom Uban.
Jun30	added CDC 6600 Reference Manual
Jun18	added "Commercially Available General-Purpose Electronic Digital Computers of Moderate Price" - 1952 -
Jun09	added CDC 160A designed by Seymour Cray
May27	added historical monograph "ELECTRONIC COMPUTERS within the Ordnance Corps", November 1961 with history and technical descriptions of ENIAC, EDVAC, ORDVAC,BRLESC and a computer tree with enlargements. Speed ratings and costs of many computers of the era are included
May16	added Wang computer patent
Apr18	added COMPTOMETER-Instructions added The Cryptographic Mathematics of ENIGMA a 20 page booklet by NSA (National Security Agency)
Apr16	added Solving the Enigma: History of the Cryptanalytic Bombe a 50 page booklet by NSA (National Security Agency)
Apr12	added a few pages of Knuth discussing Hollerith and Sorting, suggested by LaFarr Stuart
Apr11	add brief paper of Lehmer Sieves
Apr07	Changed introduction to eliminate docent specific information.
Mar28	added RECKONERS, The Prehistory of the Digital Computer, from Relays to the Stored Program Concept, 1935-1945 by Paul Ceruzzi
Mar20	added - Stories about SAGE, Sage Talk, manual Introduction to SAGE AN/FSQ-7 & AN/FSQ-8 THE SRI VAN article from CORE 3.1
Mar13	added A Personal History of APL added Book Catalog (530 K Bytes)
Feb15	added The Univac M-460 Computer which appears functionally identical and physically similar to the NTDS computer.
Feb06	added Instruction Lists for PDP-8, PDP-9, PDP-10, PDP-11, PDP-15
Feb02	added Len Shustek's "A Walk Through 'Visible Storage'"
Jan24	added manual IBM 604 Principles of Operation
Jan20	added Stories section

If you have comments or suggestions, Send e-mail to Ed Thelen

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