SPECTRUM PRINCIPLE
Appearance
A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z
a yardstick whereby gradations from zero to infinity and infinity to infinity were used and absolutes were considered utterly unobtainable for scientific purposes. (DMSMH, p. 336)