Spectrum analysis : six lectures, delivered in 1868, before the Society of Apothecaries of London / by Henry E. Roscoe ; with appendices, coloured plates, and illustrations.
Henry Enfield Roscoe's printed version of six lectures on spectrum analysis given in 1868 to the Society of Apothecaries of London, published by Macmillan in 1869 for chemists, physicians, and general scientific readers. Plates show engraved spectral charts: ruled wavelength scales crossed by dense vertical lines, element labels with bracket leaders, solar spectrum maps, and columns of wavelength tables.
