. The Spectrum of Beryllium Fluoride . o cd* 20 40 60 80 20 40. DESCRIPTION OF THE PLATE. (a) Spectrum of beryllium fluoride between X 2820 and X3140, showing the groups E,, E2, E3, and a part of E4.(6) Spectrum of beryllium fluoride between X3I00 and X 3400, showing the groups E., and Ea.(c) Spectrum of beryllium fluoride, group B3> showing the structure of the band X 3009*85 with the iron comparison at the top.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectproceed, bookyear1922