Pamphlets, 1893-1898
By: by Wadsworth
Published: 1898
Language: eng
Number of pages: 20
Subjects: Spectroscope; Astronomical instruments; Astronomical spectroscopy
Notes: Title from spine.

A collection of 20 reprints from periodicals relating to the spectroscopes written by F.L.O. Wadsworth.

Text in English; one piece in German.