Great Britain. Solar Physics Committee.
![Comparison of the spectra of Rigelian, Crucian and Alnitamian stars. II. - A discussion of the line spectrum of [alpha] Orionis and its relation to that of Arcturus and the Fraunhoferic spectrum. III. - The spectrum of [gamma] Cassiopeiae](https://s3.amazonaws.com/readfeedstatic/book_covers/thumbnails/rf-placeholder.png)
Comparison of the spectra of Rigelian, Crucian and Alnitamian stars. II. - A discussion of the line spectrum of [alpha] Orionis and its relation to that of Arcturus and the Fraunhoferic spectrum. III. - The spectrum of [gamma] Cassiopeiae- Report by the Committee on Solar Physics appointed by the Lords of the Committee of Council on Education