๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Photographic materials for spectral analysis in the ultraviolet

โœ Scribed by T. A. Kalinkina; A. N. Oshurkova; A. A. Pankova; V. M. Uvarova; G. I. Chistova; M. R. Shpol'skii


Publisher
Springer US
Year
1965
Tongue
English
Weight
218 KB
Volume
2
Category
Article
ISSN
0021-9037

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Preliminary note on the spectral energy
โœ Loyd A. Jones; A.L. Schoen ๐Ÿ“‚ Article ๐Ÿ“… 1923 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 149 KB

comparison beam is controlled primarily by an adjustable sector shutter placed in a collimated beam of light between two elements of one of the lens combinations used to form an image oi the light source on the comparison target. 71'he photometric field is obtained by the use of the well-known Lumm