27 books
Spectrum Analysis in Its Aqplication to Terrestrial Substances
Magneto-Electric and Dynamo-Electric Machines
Spectrum Analysis in Its Application to Terrestrial Substances, and the Physical Constitution of the Heavenly Bodies. Familiarly Explained by Dr. H. Schellen ... Tr. From the 2D Enl. and Rev. German Ed. by Jane and Caroline Lassell. Ed. With Notes, by Will