Absorption Catalogue
Sunlight, precisely scored
A dimmed rainbow is treated as an instrument: black bars interrupt the color, serif letters hold each wavelength, and the dark blue plate keeps every mark exact.
570+fine dark references measured across the solar band
A–Klettered anchors set beneath the strongest lines
Plateruled borders, subdued hues, archival serif notation
Continuous spectrum with fixed interruptions
PRISM TABLE
DARK-LINE REGISTER
DARK-LINE REGISTER
K
H
G
F
E
D
C
B
A
Violet-blue endDense H and K marks press the short wavelengths into a measured register.
Sodium pairYellow is not decorative here; it is a narrow double line with a label.
Red anchorThe C line closes the plate with a deep interruption at the long end.