Studied from its original page

Semi-logarithmic (ratio) chart

split-deck chart paper · part-deck rate-of-change paper (the sibling ruling) · rate-of-change scales

Not shown here: its rights are not cleared

See the original page — Fig. 335, p. 396 (archive leaf n451)

Test A passes (published 1923) but test B fails: Karsten died in 1968 (B would run to 2038).

The data it needs

series identity · categorical
date axis · temporal · year or month
value value (logarithmic) · quantitative · the series' own unit, strictly positive
unit scale label (optional) · categorical

Built in 6 steps, as its maker described

pp. 393-397, Figs. 333-335; p. 410, Fig. 344

Skeleton drawing, not the original plate

13 other forms share this skeleton

Attribution checked against the source