Spectra of various substances, from "Les phénomènes de la physique" (1868) Stationery Card Quantity:Set of 3 Folded Cards (5" x 7") and deep plum

and deep plum

For a serene bedroom or a meditation space seeking calm sophistication

At home in a modern living space or minimalist bedroom seeking calm sophistication

balancing organic botanical detail against the pure geometry of the circular backdrop

A stylized cat silhouette merges with rolling ocean waves in layered shades of teal

Spectra of various substances, from "Les phénomènes de la physique" (1868) Stationery Card Quantity:Set of 3 Folded Cards (5" x 7") and deep plumVertical bands of spectral light stack like a scientific catalog, each column revealing the wavelengths emitted or absorbed by different substances in red, yellow, green, blue, and purple hues. The composition unfolds against deep black grounds, creating a methodical visual record where color itself becomes data, precise and luminous. Printed on smooth white card stock and made to order, artwork on the front, blank inside, envelopes included in every