Relationship with optical spectrometer

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Please comment in the discussion here: Talk:Optical_spectrometer#Optical_spectrometer_vs._spectrograph. (Comment there and not in this talk page section.) Harej (talk) 22:21, 23 August 2015 (UTC)Reply

Discussion continuing at Talk:Optical_spectrometer#Merge_Spectrograph. ~Kvng (talk) 16:25, 11 February 2018 (UTC)Reply