WILLIAM HENRY SMYTH

Diagram of Colours (Sidereal Chromatics), 1864. William Henry Smyth (English, 1788–1865).
Chromolithograph illustration from Sidereal Chromatics : being a re-print, with additions, from the "Bedford cycle of celestial objects," and its "Hartwell continuation," on the colours of multiple stars by Admiral W.H. Smyth., pub. London, 1834. The Huntington Library, Art Museum, and Botanical GardensBurndy Library collection.