The picture already quoted here belongs to John Thomas, the Welsh nonconformist minister, 1826 to 1908, who wrote as Charubel once he turned to astrology and clairvoyance. His 1898 book gave nearly every degree its own image, decades before Marc Edmund Jones and the clairvoyant Elsie Wheeler produced the material now generally read through Dane Rudhyar's 1973 restatement in 1925. The decan and term recorded for this degree trace to two named ancient writers.
Vettius Valens, working in Greek around the year 175, divided each sign into three ten degree faces under a rotating planetary sequence, leaving the Moon, Cancer's own planet, to rule this decan, and Ptolemy's Tetrabiblos separately preserves the Egyptian bounds table, keeping this degree under Jupiter's term as well, the two ancient divisions still agreeing here. Neither writer pictured a degree, only ruled it. The first complete pictorial set for all 360 degrees survives whole in 1494, in Johannes Angelus's Latin Astrolabium Planum, safely public domain but never freely translated into English, and Charubel's achievement was to do the same independently, in English, four centuries later. Practically, this degree is mostly used to time events through progressions or synastry.