Description of a new type of focal plane spectroscope and its application to astronomical spectroscopy
By: by F.L.O. Wadsworth.
Series: Miscellaneous scientific papers of the Allegheny Observatory -- no. 7
Publisher: The University of Chicago Press
Published: 1900
Place of publication: Chicago
Language: eng
Number of pages: 15
Subjects: Spectroscope.; Astronomical spectroscopy.