HENRY E. ROSCOE

Spectra of the Stars and Nebulae, 1869. Henry E. Roscoe (English, 1833-1915).
Chromolithograph illustration from Roscoe's Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of Apothecaries of London, 2nd edition, pub. London, 1870. The Huntington Library, Art Museum, and Botanical Gardens, Burndy Library collection.