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New entries for
IBM 1401 Restoration Project
Chronology Web Page


You might also wish to check the following:

2017 Activities
Oct 16 added We Get Mail
Oct 4 added Presentations to, awards from, Computer Conservation Society (CCS) (London)
Sept 30 added a 1401 system in museum in Bengaluru, India
August 28 added Sort7 code, listing, object deck
July 11 added "Software" before stored program computers.
and SMS Card Tester at TechWorks! from Carl Claunch
May 23 added SMS Logic Levels
May 17 added IBM 1401 Timing Charts - 48 MBytes
and linked from here
    IBM Manuals, third entry down.
also added FAQ - Frequently Asked Questions
May 13 added Ongoing Maintenance Photos
More Demo Photos,
May 11 added - How to Re-Ink 026 Ribbons
IBM 026 Printing Mechanism
March 14 added COBOL e-mails now with working code and demo
Feb 22 added SPS object cards and disassembly from Van Snyder
and COBOL e-mails
Feb 17 added WeirdParts - a QUALITATIVE-MODEL-PROPOSAL

2016 Activities
Sept 16 TAU (Tape Adapter Unit) e-mails
Aug 10 Wall Circuit Breaker for Pacific Power 50 Hz converter
July 16 Questions and Answers about the 1401 IPL (Initial Program Load)
June 21 New Workshop
May 1 Inside card sorters by Ken Sherriff (May 2016)
April 14 The 729 tape drive clutch brush problem seems solved :-))
April 1 1401 Character Sets
March 30 start of Weird Parts (transistors) meetings

Truncated here :-))


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