The SciencesResearches on the Relations between the Spectra of the Elements of Inorganic Substances and their Physiological ActionBy James Blake on August 4, 1888AdvertisementABOUT THE AUTHOR(S)Recent Articles by James BlakeOn the Connection of the Molecular Properties of Inorganic Compounds with their Action upon the Living Animal OrganismRoscoelite, A Vanadium Mica