Studies in Spectrum Analysis

absorption alloy aluminium Ångström atmosphere atomic weight bands barium blue bodies bright lines Bromide Bunsen Bunsen burner cadmium calcium cent chemical chloride chromosphere cobalt coincident coloured complete compound molecule constituent continuous spectrum density dissociation electric lamp electrodes elements employed ether experiments fact flame fluoride fluted Fraunhofer lines free path gases give glass H lines heat hydrogen incandescent increase instance iodide iron Kirchhoff large number lens line spectrum liquids long and short longest lines magnesium magnesium vapour matter means metallic lines metalloids method millimetre molecular molecules motion observed obtained oxide particles phenomena photograph plate poles portion pressure prism produced Prof rays refrangible render result reversed salts seen short lines silver slit sodium solar spectrum solid sound spark spec spectra spectroscope Strontic strontium substances temperature Thalén thickness tion tium trum tube vibrations violet visible volatile wave length yellow zinc