Studied from its original page
Logarithmic retrospect chart
retrospective projection · historical retrospect with reversed log plotting for the time axis
- Made by
- Karl G. Karsten
- Year
- 1923
- Field
- Economics and markets
- Kind
- Data display
- Room
- Change over time
Not shown here: its rights are not cleared
See the original page — Fig. 385, printed p. 474 (archive leaf n531)
Test A passes (published 1923) but test B fails: Karsten died in 1968 (B would run to 2038).
The data it needs
seriesidentity · categoricaldateposition, converted to time before the origin · temporalvaluevalue · quantitative · per series
Built in 5 steps, as its maker described
running head 'Shifted Zero-Points', pp. 472-475, Figs. 385-386
121 other forms share this skeleton
Source
Karsten 1923, Charts and Graphs
Attribution checked against the source