Mathematical and Physical Papers

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Preliminary Note on the Compound Nature of the line-spectra Of Elementary Bodies. By J. N. Lockyer, f.r.s. (extract) appendix (correspondence Of Prof. G. G. Stokes and Prof. W. Thomson on the nature and possibilities Of Spectrum Analysis)