Studied from its original page

IBM Cosmograph

Cosmograph (trade name, International Business Machines) · IBM Cosmograph

Not shown here: its rights are not cleared

See the original page — p. 80, charts A and B (archive leaf n85)

Fails both tests: 1939 is after 1930 (A) and the page is Brinton's book, tied to Brinton who died in 1957 (B would run to 2027).

The data it needs

source identity · categorical
recipient identity · categorical
amount value, quantised to 0.1% (one strip) · quantitative · money, or percent of the whole
retained value · quantitative · same as amount
passed_to identity of the next recipient · categorical
stage left-to-right position · ordinal

Built in 7 steps, as its maker described

ch. 8 'Flow Charts': definition p. 73; the device, its construction and two examples pp. 78-81

Skeleton drawing, not the original plate

55 other forms share this skeleton

Attribution less certain: contested, or no single inventor recorded