@Mark and @Brian: Thank you for the literature citations. I wonder if Babbage’s diagrammatic
notation represents the first published example of information flow (i.e., data and/or control)?  
paul


On Dec 12, 2014, at 9:44 AM, Al Kossow <aek@bitsavers.org> wrote:

On 12/12/14 7:38 AM, Brian Randell wrote:
But as I recall it Bromley mainly studied Babbage’s drawings (to great effect) rather than his Mechanical Notation - and my impression is that Johnstone’s project has already gone way beyond anything I know of by Bromley.


That's good to know. I know that Doron and I talked a bit about the notation while he was here at CHM.
I wasn't sure how much has actually been written on it.





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