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2009 Activities

Nov14	Added Dr. Seuss, and other entertainments by Jan Swanson Barris at the IBM 1401 50th Anniversary, Luncheon Added IBM Programmer Aptitude Test 120-6762-2 dated 1958
Nov08	Added 1401 50th Anniversary, Speaker's Dinner
Oct25	Added 1401 Product Mix Added Reliability of the 1401 System
Oct14	Updated Master 1401 List Linked from IBM 1401 1950s Team Bios
Oct09	Added "IBM 1401 Data Processing System Instruction Logic" R25-1496. including print control logic starting page 88
Oct05	Added Project Donors
Sept21	Added Hexapawn in AutoCoder
Sept20	Added TicTacToe3D-WarrenRing in BASIC
Sept11	Added Brief Evolution of IBM 1401 SPS and Autocoder
Sept04	Added Patent Page
Sept03	Added Jan Swanson to 1950s Team Bios
Sept01	Added techie text to Germanium Alloy transistors
Aug26	Added pictures to Germanium Alloy transistors
Aug20	Added "band of brothers"
Aug04	Added Code Examples from Stan
Aug04	Added towards a 1401 Sorting Demo
Aug04	Added Bill Newman's tests - PowerPoint, 550 K bytes, linked from Weird Parts
Aug02	Added 026 How To Keypunch
July24	Added 1403 Printer Fonts
July05	Added a big .pdf file "Some Failure modes in Si Mesa Transistors" linked from Weird Parts
July05	Justin McCarthy's current 1401 Family - Development, Product Engineering and Support Teams spread sheet New, 090703
July01	Battle for a One card 80-80Lister program
June30	added Project E-Mail Lists
June 29	How I learned to program the 1401
June 11	starting Continuing Engineering 1401 product life after introduction.
May 24	added 1401 PowerUP, Time & Life Building
May 03	started Tim's InCircuit Tester
Apr 28	updated 1401 Development Team from Jud McCarthy , pdf format linked from 1950s Team Bios A discussion Late 1950's Enabling and Disruptive Technologies for the IBM 1401
Apr 14	updated November 10, 2009 Reunion & 50th Anniversary at Computer History Museum, Mountain View, California
Apr 14	added 513 (dis) assembly study part 1, 54 photos, part 2, 24 photos, by Bob Erickson & Judith Haemmerle linked from main page, unit record equiptment
Apr 13	added IBM Lubricants from Grant Saviers
Apr 09	added Card name vs # in 1401 & 729 Mod 5 vs # in Spares vs other information new are SMS cards for the 729 Mod 5 magnetic tape drives
Apr 05	added IBM 1401 Archive Pics - 59 large high resolution images
Mar 27	added WWAM Logic, IBM Eng. Symposium , Paris Jan 9, 1957 from Maurice Papo
Mar 17	added 1401 Product Brochures
Mar 13	added Monday Morning Quarterbacking the IBM 1401 Design, 50 year later ;-))
Feb 26	added 1950s Org Charts
Feb 21	added Machine Methods of Accounting - use of IBM unit record equipment, copyright by IBM, 1935, 360 pages, very well done and interesting, scanned by Randy Neff, segmented for easy access
Feb 20	Justin McCarthy has made a 1401 Family - Development, Product Engineering and Support Teams chart converted from XCELL, Feb 16, 2009
Feb 14	Added A selection of 1401 development letters and org charts from John Pokoski
Feb 14	Added bios for Don Manning and John Pokoski to 1950sTeamBios
Jan 31	Added Unit Record Equipment
Jan 18	Added PC vs 1401 System

2008 Activities

Dec 29	Added 1401 Stories
Dec 22	Updated 1401RFI-Music "Wheels"
Dec 09	Added A Sample of our 1403's font.
Nov 22	Added IBM 1401 Tape Channel Analyzer, Spec Ver 1.3
Nov 18	Added more WWAM and 1401 pioneers
Oct 23	Added Punched Card Data Processing Principles
Oct 22	Added Tape Drive Emulator Repository
Oct 20	Added Oral History of Jacques Maisonrouge (.pdf 2.4 MB added Oct 20, 2008)
Oct 17	Added A list of all 64 6 bit codes for the IBM 1401 in binary and colating order
Oct 15	Added Oral Histories for Karl Ganzhoorn and Maurice Papo Added Charles Branscomb info, early 1401 project manager
Oct 11	Added The IBM World Wide Accounting Machine (WWAM) by E. Estrems - June 20, 1956 - the design before the design of the 1401
Sept 4	Added Oral History - Ralph Mork one of the IBM 1401 project managers.
Sept 4	Added Germanium Alloy transistors a bit of history
Sept 3	Added 729 CE Manual Mods 2,3,4 7MB
Aug25	Added Connecticut Tape Inventory and data from those tapes
Aug09	Added Techniques for increasing electronic reliability
Aug06	Added MajorEvents
Aug05	Added Early 1401 Software stories and ?
Aug04	Added Mokotoff Comments to 1401 FORTRAN Notes - implementation with 63 "phases"
Aug01	Added Four "SPACE" design memos from Fran Underwood leading to the 1401
Aug01	Added Other Input/output devices
July04	Added Fibonacci Fun - well, some people think so -
July14	Updated IBM PC Controlled Keypunch tech details (.ppt) v2 3mb
July05	Added readable text [HTML] of Fran Underwood Interview June 25, 2008
July04	Added Fran Underwood Interview June 25, 2008
June30	Added Fran Underwood, Oral History, 1968 50 K Bytes HTML designer of IBM 1401
June30	Added Fran Underwood, Oral History, 1968 3.7 megabyte .pdf
June25	Added ROPE (Ron's Own Programming Environment) - Version 0.7 - for LINUX
May20	Added Chuck Kantmann's Obituary
May 5	Added Connecticut 1401 arrived
Apr 17	Added Presentation to the Product and Market Planning Seminar, Deauville, France - Friday. May 6, 1960
Apr 17	Added Two IBM 1401 Principle Founders found!!
Apr 16	Added Dan McInnis - BigPRINT-Tape - listing, instructions, ...
Apr 03	Added ROPE (Ron's Own Programming Environment) - Version 0.7
Apr 03	Added Photos from IBM 1401 era and about submitting photos
Mar 24	Added SMS Card Comments
Mar 23	Added Visitor's impressions and images
Mar 18	Added VSnyderDumpSimH-FormatTapes.html
Mar 13	Added Grinding 729 tape drive capstans from Grant Saviers, 650 K Bytes, lovely pictures.
Mar 10	Added Origins of the IBM 1401
Mar 7	Added (checked Mar 12) 729 card tables 729 Mod V Plugging sorted by location and 729 Mod V Plugging sorted by card type
Jan 31	Added IBM PC Controlled Keypunch tech details (.ppt) http://www.apropos-logic.com/ROPE1401v05.zip now includes everything needed to make ROPE function :-))
Jan 23	Added IBM Field Engineering Maintenance Manual 1401 Data Processing System, PDF, 8 MB, resized from Paul Pierce's web site
Jan 17	Added Punching object decks from ROPE to a keypunch
Jan 17	Added ROPE version 0.5

Truncated here - back one year is enough :-))