A photoelectric contour densitometer
By: by Gunnar Eriksen
Series: Report / Institute of Theoretical Astrophysics, Blindern - Oslo -- no. 14; Report (Universitetet i Oslo. Institutt for teoretisk astrofysikk) -- no. 14
Publisher: Universitetsforlagets trykningssentral
Published: 1961
Place of publication: Oslo
Language: eng
Number of pages: 21
Subjects: Densitometer (Meteorological instrument); Sunspots; Spectra; Instruments
Notes: Includes bibliographical references (p. 21).