(.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
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| Oct 15 | Added Oral Histories for Karl Ganzhoorn and Maurice Papo
Added Charles Branscomb info, early 1401 project manager
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| Oct 11 | Added The IBM World Wide Accounting Machine (WWAM)
by E. Estrems - June 20, 1956 - the design before the design of the 1401
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| Sept 4 | Added Oral History - Ralph Mork one of the IBM 1401 project managers.
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| Sept 4 | Added Germanium Alloy transistors a bit of history
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| Sept 3 | Added 729 CE Manual Mods 2,3,4 7MB
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| Aug25 | Added Connecticut Tape Inventory and data from those tapes
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| Aug09 | Added Techniques for increasing electronic reliability
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| Aug06 | Added MajorEvents
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| Aug05 | Added Early 1401 Software stories and ?
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| Aug04 | Added Mokotoff Comments to 1401 FORTRAN Notes - implementation with 63 "phases"
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| Aug01 | Added Four "SPACE" design memos from Fran Underwood leading to the 1401
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| Aug01 | Added Other Input/output devices
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| July04 | Added Fibonacci Fun - well, some people think so -
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| July14 | Updated IBM PC Controlled Keypunch tech details (.ppt) v2 3mb
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| July05 | Added readable text [HTML] of Fran Underwood Interview June 25, 2008
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| July04 | Added Fran Underwood Interview June 25, 2008
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| June30 | Added Fran Underwood, Oral History, 1968 50 K Bytes HTML
designer of IBM 1401
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| June30 | Added Fran Underwood, Oral History, 1968 3.7 megabyte .pdf
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| June25 | Added ROPE (Ron's Own Programming Environment) - Version 0.7 - for LINUX
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| May20 | Added Chuck Kantmann's Obituary
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| May 5 | Added Connecticut 1401 arrived
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| Apr 17 | Added Presentation to the Product and Market Planning Seminar,
Deauville, France - Friday. May 6, 1960
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| Apr 17 | Added Two IBM 1401 Principle Founders found!!
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| Apr 16 | Added Dan McInnis - BigPRINT-Tape - listing, instructions, ...
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| Apr 03 | Added ROPE (Ron's Own Programming Environment) - Version 0.7
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| Apr 03 | Added Photos from IBM 1401 era and about submitting photos
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| Mar 24 | Added SMS Card Comments
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| Mar 23 | Added Visitor's impressions and images
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| Mar 18 | Added VSnyderDumpSimH-FormatTapes.html
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| Mar 13 | Added Grinding 729 tape drive capstans
from Grant Saviers, 650 K Bytes, lovely pictures.
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| Mar 10 | Added Origins of the IBM 1401
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| 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
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| 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 :-))
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| 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
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