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This paper describes preliminary results from a digital analysis of the Fourier transform spectroscopy of β Lyrae. The spectra are photometrically precise in the 4800–10200 Å range with a spectral resolution of 3.85/cm. The most remarkable spectral features are the emission strength of some neutral Helium and Hydrogen lines, and their variability with time. Other fainter emission lines disappear, now and then.doi:10.1017/s007418090003789x fatcat:i4sxold2xja7pe5mahpkp7zvyi