Studies in Spectrum Analysis

alloy aluminium Ångström atomic weight bands barium blue end bodies bright lines Bunsen cadmium calcium chloride chromosphere Cloth cobalt coincident colour complete compound molecule continuous spectrum Crown 8vo Demy 8vo density dissociation electric lamp electrodes elements employed encounters ether experiments fact Fcap flame fluted Fraunhofer lines free path gases Geissler tube give glass H lines heat heliostat hydrogen impurities iodide iron Kirchhoff large number length light line spectrum liquid long and short longest lines magnesium maps metallic vapours metalloids method molecular molecules motion nickel observed obtained oxide particles phenomena photographs plate platinum poles portion present pressure Prof rays refrangible rendered result salts seen short lines slit sodium sodium vapour solar atmosphere solar spectrum solid sound spark spec spectra spectroscope Sprengel pump Stokes Strontic strontium substances temperature Thalén thick lines tion trum tube vibration violet visible visible spectrum volatility vols wave-length waves yellow zinc