Massachusetts institute of technology wavelength tables with intensities in arc, spark, or discharge tube of more than 100,000 spectrum lines : most strongly emitted by the atomic elements under normal conditions of excitation between 10,000 A. and 2000 A. arranged in order of decreasing wavelengths / George R. Harrison, Massachusetts institute of technology. Wavelength tables. Massachusetts institute of technology. Harrison, George Russell, 1898-1979. Spectrum analysis Tables. QC453 .M35 1939 535 HAW Cambridge ; The Technology press ; New York : J. Wiley, 1939. 1939. 1939 Text xxviii, 429 p. : eng