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Atlas of the Thorium-Argon lamp

As an aid to the identification of the lines in the Th-Ar arc spectra, RGO has produced an atlas giving the identifications for the Thorium and Argon lines in the spectrum of the hollow-cathode comparison lamps used for wavelength calibration of UES. (La Palma Tech. Note No. 91, 1993)

This publication can be found in the control room of the WHT.