Studied from its original page

Climograph (hythergraph)

climograph (Griffith Taylor) · hythergraph (catalog S232 alias)

What it shows

A place's twelve months drawn as one closed loop that relates wet-bulb temperature and humidity.

Recognise a place by the shape and slope of its loop, and compare it with the shaded reference loop and the named corners.

Not shown here: its rights are not cleared

See the original page — Fig. 226, p. 293 (archive leaf n310)

Test A passes (published 1920) but test B fails: Taylor died in 1963 (B would run to 2033).

Built in 4 steps, as its maker described

not opened

Skeleton drawing, not the original plate

17 other forms share this skeleton

Attribution less certain: contested, or no single inventor recorded