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Wave-length measurements in arc spectra photographed in the yellow, red, and infra-red

✍ Scribed by F.M. Walters Jr.


Publisher
Elsevier Science
Year
1921
Tongue
English
Weight
47 KB
Volume
191
Category
Article
ISSN
0016-0032

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Wave-length measurements in the arc spec
✍ C.C. Kiess πŸ“‚ Article πŸ“… 1922 πŸ› Elsevier Science 🌐 English βš– 67 KB

THE arc spectra of neodymium and samarium were photographed with a large concave grating spectrograph, the photographic plates being suitably sensitized to record the spectra from the green to the infra-red. About 1500 lines were measured in each spectrum, most of them being of low intensity. No b