06:5206:52, 26 June 2011diffhist−32
History of IBM
IBM 650s were leased, not sold. Delete unsourced, overused, ''model T'' text - see for example http://www.ibm-1401.info/1401GuidePosterV9.html
07:4407:44, 20 June 2011diffhist+548 N
Talk:Project Joshua Blue
←Created page with '==Move article over the IBM redirect== Please look at category IBM. If something is part of corporate IBM, then IBM is part of the name, usually at the beginning....'
09:0509:05, 17 June 2011diffhist+559
Tabulating machine
Added 407 withdrawal from marketing as the end of the unit record era. Deleted text about later punched card usage - that's already in punched card article, not needed here. Consistent use of control panel. Add notes to explain some terms.More.
00:2000:20, 16 June 2011diffhist−2
IBM 608
It's a calculator, not a compter - see Bashe 386. Deleted 'economies of scale' text - 24 machines are the bottom of the scale! Other edits.
21:5621:56, 15 June 2011diffhist+148
IBM 608
Watson didn't 'announce' - he asked McDowell to establish the date and McDowell also announced it. Bashe - Early Computers p.387.
20:5820:58, 15 June 2011diffhist+14
IBM 608
plugboard is the generic term, control panel the term for specific use in punched card machines. See plugboard or the 608 reference manual (always a good place to check terminology)
20:4520:45, 15 June 2011diffhist−185
IBM 608
The 608, shipped in 1957, could not have used SMS technology, developed in 58-59. See Bashe -IBM's Early Computers.