[rescue] IBM cosmograph

[Francois Dion]

In the 30s IBM sold a kit to make photo ready relationship diagrams or
input/ouput charts, called the cosmograph (think sankey diagram). See page
3 of
http://s3data.computerhistory.org.s3.amazonaws.com/chmedu/VIE_02_016.pdf

I was wondering if someone on this list had ever seen one in person. Or
more references in IBM's publications (beside the 1934 sales catalog
mentioned in the above)?

Francois


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