Open AccessAn investigation of extreme ultra-violet spectra, with a vacuum-grating spectrograph
Author(s) -
John Cunningham McLennan,
R. Lang
Publication year - 1919
Publication title -
proceedings of the royal society of london. series a, containing papers of a mathematical and physical character
Language(s) - English
Resource type - Journals
eISSN - 2053-9150
pISSN - 0950-1207
DOI - 10.1098/rspa.1919.0007
Subject(s) - spectrograph , grating , eyepiece , optics , physics , blazed grating , photographic plate , spectral line , diffraction grating , astronomy , lens (geology)